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Building Blocks

8706
Sub Categories
Fluorinated Building Blocks 1832
Heterocyclic Building Blocks 3766
Non-Heterocyclic Building Blocks 3168

  • 1-Methyl-2-pyrrolidinone, distilled

    Hazmat
    Purity:
    ≥ 99.5% (Assay)
    Synonym:
    N-Methyl-2-ketopyrrolidine
    Hazmat
    Catalog Number:
    00741
    CAS Number:
    872-50-4
    Purity Limit:
    ≥ 99.5% (Assay)
    MDL NO:
    MFCD00003193
    Molecular Formula:
    C5H9NO
    Molecular Weight:
    0
    Specification Sheet SDS

  • 2-Phenoxyethanol

    Grade:
    KOSHER, FEMA 4620
    Purity:
    99 - 100% (GC)
    Synonym:
    Ethylene glycol monophenyl ether
    Catalog Number:
    34802
    Grade:
    KOSHER, FEMA 4620
    CAS Number:
    122-99-6
    Purity Limit:
    99 - 100% (GC)
    MDL NO:
    MFCD00002857
    Molecular Formula:
    C8H10O2
    Molecular Weight:
    138.16
    Specification Sheet SDS

  • Ethyl (hydroxyimino)cyanoacetate

    Purity:
    ≥ 99% (HPLC)
    Synonym:
    Ethyl cyano(hydroxyimino)acetate
    Catalog Number:
    26426
    CAS Number:
    3849-21-6
    Purity Limit:
    ≥ 99% (HPLC)
    MDL NO:
    MFCD00002112
    Molecular Formula:
    C5H6N2O3
    Molecular Weight:
    142.11
    Specification Sheet SDS

  • 3-Hydroxytyramine hydrochloride

    Purity:
    98 - 101% (Assay on dried basis)
    Synonym:
    Dopamine hydrochloride
    Catalog Number:
    11757
    CAS Number:
    62-31-7
    Purity Limit:
    98 - 101% (Assay on dried basis)
    MDL NO:
    MFCD00012898
    Molecular Formula:
    C8H11NO2•HCl
    Molecular Weight:
    189.64
    Specification Sheet SDS

  • 5-(Ethylthio)-1H-tetrazole

    Hazmat
    Purity:
    ≥ 99% (Assay by titration)
    Synonym:
    5-Ethylsulfanyl-1H-tetrazole
    Hazmat
    Catalog Number:
    01881
    CAS Number:
    89797-68-2
    Purity Limit:
    ≥ 99% (Assay by titration)
    MDL NO:
    MFCD00068733
    Molecular Formula:
    C3H6N4S
    Molecular Weight:
    0
    Specification Sheet SDS

  • Imidazole

    Hazmat
    Purity:
    ≥ 99% (Assay)
    Synonym:
    1,3-Diaza-2,4-cyclopentadiene
    Hazmat
    Catalog Number:
    00418
    CAS Number:
    288-32-4
    Purity Limit:
    ≥ 99% (Assay)
    MDL NO:
    MFCD00005183
    Molecular Formula:
    C3H4N2
    Molecular Weight:
    0
    Specification Sheet SDS

  • δ-Undecanolactone

    Grade:
    Natural, meets FG specifications, Kosher, FEMA 3
    Purity:
    98 - 100% (Assay, sum of isomers)
    Synonym:
    Undecanoic δ-lactone
    Catalog Number:
    35008
    Grade:
    Natural, meets FG specifications, Kosher, FEMA 3
    CAS Number:
    710-04-3
    Purity Limit:
    98 - 100% (Assay, sum of isomers)
    MDL NO:
    MFCD00006650
    Molecular Formula:
    C11H20O2
    Molecular Weight:
    184.28
    Specification Sheet SDS

  • 1,2-Hexanediol

    Purity:
    ≥ 99% (GC)
    Synonym:
    1,2-Dihydroxyhexane
    Catalog Number:
    34339
    CAS Number:
    6920-22-5
    Purity Limit:
    ≥ 99% (GC)
    MDL NO:
    MFCD00010737
    Molecular Formula:
    C6H14O2
    Molecular Weight:
    118.17
    Specification Sheet SDS

  • Martius Yellow  

    Synonym:
    2,4-Dinitro-1-naphthol
    Catalog Number:
    22920
    CAS Number:
    605-69-6
    MDL NO:
    MFCD00065352
    Molecular Formula:
    C10H6N2O5
    Molecular Weight:
    234.17
    Specification Sheet SDS

  • Triphosgene

    Hazmat
    Purity:
    ≥ 99% (Assay)
    Synonym:
    Bis(trichloromethyl) carbonate
    Hazmat
    Catalog Number:
    07205
    CAS Number:
    32315-10-9
    Purity Limit:
    ≥ 99% (Assay)
    MDL NO:
    MFCD00062848
    Molecular Formula:
    C3Cl6O3
    Molecular Weight:
    0
    Specification Sheet SDS

  • 2-Chlorotrityl chloride resin (1.0-1.8 meq/g, 100-200 mesh)

    Synonym:
    2-Chlorotriphenylmethyl chloride resin
    Catalog Number:
    04250
    CAS Number:
    42074-68-0
    MDL NO:
    MFCD00161760
    Specification Sheet SDS

  • 2-Chlorotrityl chloride resin (1.0-2.0 meq/g, 100-200 mesh)

    Synonym:
    2-Chlorotriphenylmethyl chloride resin
    Catalog Number:
    03498
    CAS Number:
    42074-68-0
    MDL NO:
    MFCD00161760
    Specification Sheet SDS

  • α-Naphthaleneacetic acid

    Synonym:
    1-Naphthaleneacetic acid
    Catalog Number:
    01501
    CAS Number:
    86-87-3
    MDL NO:
    MFCD00004046
    Molecular Formula:
    C12H10O2
    Molecular Weight:
    186.21
    Specification Sheet SDS

  • Methyl trifluoroacetate

    Hazmat
    Purity:
    ≥ 99% (GC)
    Synonym:
    Trifluoroacetic acid methyl ester
    Hazmat
    Catalog Number:
    42373
    CAS Number:
    431-47-0
    Purity Limit:
    ≥ 99% (GC)
    MDL NO:
    MFCD00000417
    Molecular Formula:
    C3H3F3O2
    Molecular Weight:
    0
    Specification Sheet SDS

  • Formic acid

    Hazmat
    Grade:
    ACS Reagent
    Purity:
    ≥ 88% (Assay)
    Hazmat
    Catalog Number:
    32007
    Grade:
    ACS Reagent
    CAS Number:
    64-18-6
    Purity Limit:
    ≥ 88% (Assay)
    MDL NO:
    MFCD00003297
    Molecular Formula:
    CH2O2
    Molecular Weight:
    0
    Specification Sheet SDS

  • 1-Methyl-2-pyrrolidinone, distilled

    Hazmat
    Grade:
    ACS reagent
    Purity:
    ≥ 99% (GC)
    Synonym:
    N-Methyl-2-ketopyrrolidine
    Hazmat
    Catalog Number:
    30063
    Grade:
    ACS reagent
    CAS Number:
    872-50-4
    Purity Limit:
    ≥ 99% (GC)
    MDL NO:
    MFCD00003193
    Molecular Formula:
    C5H9NO
    Molecular Weight:
    0
    Specification Sheet SDS

  • Fmoc-6-aminohexanoic acid

    Purity:
    ≥ 99% (HPLC)
    Synonym:
    Fmoc-6-aminocaproic acid
    Catalog Number:
    02490
    CAS Number:
    88574-06-5
    Purity Limit:
    ≥ 99% (HPLC)
    MDL NO:
    MFCD00077045
    Molecular Formula:
    C21H23NO4
    Molecular Weight:
    353.3
    Specification Sheet SDS

  • 2,3,5-Triphenyl-2H-tetrazolium chloride

    Hazmat
    Purity:
    ≥ 99% (Assay)
    Synonym:
    Tetrazolium red
    Hazmat
    Catalog Number:
    01646
    CAS Number:
    298-96-4
    Purity Limit:
    ≥ 99% (Assay)
    MDL NO:
    MFCD00011963
    Molecular Formula:
    C19H15N4Cl
    Molecular Weight:
    0
    Specification Sheet SDS

  • Sodium pyruvate

    Purity:
    ≥ 99% (Assay)
    Synonym:
    α-Ketopropionic acid sodium salt
    Catalog Number:
    01189
    CAS Number:
    113-24-6
    Purity Limit:
    ≥ 99% (Assay)
    MDL NO:
    MFCD00002586
    Molecular Formula:
    C3H3O3Na
    Molecular Weight:
    110.04
    Specification Sheet SDS

  • Guanidine thiocyanate

    Hazmat
    Grade:
    Biotech Grade
    Purity:
    ≥ 99% (Assay)
    Synonym:
    Guanidine isothiocyanate
    Hazmat
    Catalog Number:
    00522
    Grade:
    Biotech Grade
    CAS Number:
    593-84-0
    Purity Limit:
    ≥ 99% (Assay)
    MDL NO:
    MFCD00013027
    Molecular Formula:
    CH5N3·HSCN
    Molecular Weight:
    0
    Specification Sheet SDS

  • Urea

    Grade:
    ACS reagent
    Purity:
    99.0 - 100.5% (Assay by titration)
    Synonym:
    Carbonyldiamide
    Catalog Number:
    00561
    Grade:
    ACS reagent
    CAS Number:
    57-13-6
    Purity Limit:
    99.0 - 100.5% (Assay by titration)
    MDL NO:
    MFCD00008022
    Molecular Formula:
    CH4N2O
    Molecular Weight:
    60.06
    Specification Sheet SDS

  • Sodium acetate, anhydrous

    Purity:
    ≥ 99% (Assay)
    Synonym:
    Acetic acid sodium salt
    Catalog Number:
    00266
    CAS Number:
    127-09-3
    Purity Limit:
    ≥ 99% (Assay)
    MDL NO:
    MFCD00012459
    Molecular Formula:
    C2H3O2Na
    Molecular Weight:
    82.03
    Specification Sheet SDS

  • 2-Amino-2-(hydroxymethyl)-1,3-propanediol

    Grade:
    Molecular biology grade
    Purity:
    ≥ 99% (Assay by titration)
    Synonym:
    Tris(hydroxymethyl)aminomethane
    Catalog Number:
    00301
    Grade:
    Molecular biology grade
    CAS Number:
    77-86-1
    Purity Limit:
    ≥ 99% (Assay by titration)
    MDL NO:
    MFCD00004679
    Molecular Formula:
    C4H11NO3
    Molecular Weight:
    121.1
    Specification Sheet SDS

  • 4-Iodonitrotetrazolium violet

    Purity:
    ≥ 99% (HPLC)
    Synonym:
    2-(4-Iodophenyl)-3-(4-nitrophenyl)-5-phenyltetrazolium chloride
    Catalog Number:
    00193
    CAS Number:
    146-68-9
    Purity Limit:
    ≥ 99% (HPLC)
    MDL NO:
    MFCD00011961
    Molecular Formula:
    C19H13ClIN5O2
    Molecular Weight:
    505.7
    Specification Sheet SDS

  • Methyl laurate

    Purity:
    ≥ 99% (GC)
    Synonym:
    Lauric acid methyl ester
    Catalog Number:
    39001
    CAS Number:
    111-82-0
    Purity Limit:
    ≥ 99% (GC)
    MDL NO:
    MFCD00008966
    Molecular Formula:
    C13H26O2
    Molecular Weight:
    214.35
    Specification Sheet SDS

  • Methyl decanoate

    Purity:
    ≥ 98% (GC)
    Synonym:
    Decanoic acid methyl ester
    Catalog Number:
    38926
    CAS Number:
    110-42-9
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD00009580
    Molecular Formula:
    C11H22O2
    Molecular Weight:
    186.3
    Specification Sheet SDS

  • Vanillin (Rhovanil)

    Grade:
    KOSHER, FEMA 3107
    Purity:
    99 - 100% (GC)
    Synonym:
    4-Hydroxy-3-methoxybenzaldehyde (Rhovanil)
    Catalog Number:
    35014
    Grade:
    KOSHER, FEMA 3107
    CAS Number:
    121-33-5
    Purity Limit:
    99 - 100% (GC)
    MDL NO:
    MFCD00006942
    Molecular Formula:
    C8H8O3
    Molecular Weight:
    152.15
    Specification Sheet SDS

  • 4-tert-Butylcyclohexanol

    Purity:
    98 - 100% (GC)
    Synonym:
    Hexahydro-p-tert-butylcyclohexane
    Catalog Number:
    33885
    CAS Number:
    98-52-2
    Purity Limit:
    98 - 100% (GC)
    MDL NO:
    MFCD00001473
    Molecular Formula:
    C10H20O
    Molecular Weight:
    156.27
    Specification Sheet SDS

  • 2-Chlorotrityl chloride resin (0.4-0.8 mmol/g, 100-200 mesh)

    Catalog Number:
    33310
    CAS Number:
    42074-68-0
    MDL NO:
    MFCD00161760
    Specification Sheet SDS

  • N-Methoxycarbonylmaleimide

    Purity:
    ≥ 99% (HPLC)
    Catalog Number:
    31365
    CAS Number:
    55750-48-6
    Purity Limit:
    ≥ 99% (HPLC)
    MDL NO:
    MFCD00042755
    Molecular Formula:
    C6H5NO4
    Molecular Weight:
    155.11
    Specification Sheet SDS

  • Methyl oleate

    Purity:
    ≥ 98.5% (GC)
    Synonym:
    Methyl cis-9-octadecenoate
    Catalog Number:
    30746
    CAS Number:
    112-62-9
    Purity Limit:
    ≥ 98.5% (GC)
    MDL NO:
    MFCD00009578
    Molecular Formula:
    C19H36O2
    Molecular Weight:
    296.49
    Specification Sheet SDS

  • Resorcinol

    Hazmat
    Grade:
    ACS reagent
    Purity:
    99.0 - 100.5% (Assay by titration)
    Synonym:
    1,3-Benzenediol
    Hazmat
    Catalog Number:
    30180
    Grade:
    ACS reagent
    CAS Number:
    108-46-3
    Purity Limit:
    99.0 - 100.5% (Assay by titration)
    MDL NO:
    MFCD00002269
    Molecular Formula:
    C6H4(OH)2
    Molecular Weight:
    0
    Specification Sheet SDS

  • Urea, prilled

    Grade:
    FCC
    Purity:
    99.0 - 100.5% (Assay)
    Synonym:
    Carbonyldiamide
    Catalog Number:
    30137
    Grade:
    FCC
    CAS Number:
    57-13-6
    Purity Limit:
    99.0 - 100.5% (Assay)
    MDL NO:
    MFCD00008022
    Molecular Formula:
    CH4N2O
    Molecular Weight:
    60.06
    Specification Sheet SDS

  • Salicylic acid

    Purity:
    ≥ 98% (Assay)
    Synonym:
    2-Hydroxybenzoic acid
    Catalog Number:
    30167
    CAS Number:
    69-72-7
    Purity Limit:
    ≥ 98% (Assay)
    MDL NO:
    MFCD00002439
    Molecular Formula:
    C7H6O3
    Molecular Weight:
    138.12
    Specification Sheet SDS

  • Bis-(sodium sulfopropyl)-disulfide

    Purity:
    ≥ 98% (HPLC)
    Synonym:
    3,3'-Dithiobis-1-propanesulfonic acid disodium salt
    Catalog Number:
    28476
    CAS Number:
    27206-35-5
    Purity Limit:
    ≥ 98% (HPLC)
    MDL NO:
    MFCD01104840
    Molecular Formula:
    C6H12Na2O6S4
    Molecular Weight:
    354.4
    Specification Sheet SDS

  • Hydroxyurea

    Grade:
    Meets USP specifications
    Purity:
    97.0-103.0% (Assay, dried basis)
    Synonym:
    Hydroxycarbamide
    Catalog Number:
    24533
    Grade:
    Meets USP specifications
    CAS Number:
    127-07-1
    Purity Limit:
    97.0-103.0% (Assay, dried basis)
    MDL NO:
    MFCD00007943
    Molecular Formula:
    CH4N2O2
    Molecular Weight:
    76.05
    Specification Sheet SDS

  • 1-Hexanesulfonic acid sodium salt anhydrous , suitable for Ion-Pair Chromatography

    Purity:
    ≥ 99% (Assay by titration)
    Synonym:
    Sodium 1-hexanesulfonate
    Catalog Number:
    22840
    CAS Number:
    2832-45-3
    Purity Limit:
    ≥ 99% (Assay by titration)
    MDL NO:
    MFCD00007542
    Molecular Formula:
    C6H13O3SNa
    Molecular Weight:
    188.22
    Specification Sheet SDS

  • N-Acetyl-5-methoxytryptamine

    Grade:
    Meets USP Specification
    Purity:
    ≥ 99% (HPLC)
    Synonym:
    Melatonin
    Catalog Number:
    09492
    Grade:
    Meets USP Specification
    CAS Number:
    73-31-4
    Purity Limit:
    ≥ 99% (HPLC)
    MDL NO:
    MFCD00005655
    Molecular Formula:
    C13H16N2O2
    Molecular Weight:
    232.28
    Specification Sheet SDS

  • Piperazine,anhydrous

    Hazmat
    Purity:
    ≥ 99% (GC)
    Synonym:
    1,4-Diazacyclohexane
    Hazmat
    Catalog Number:
    06899
    CAS Number:
    110-85-0
    Purity Limit:
    ≥ 99% (GC)
    MDL NO:
    MFCD00005953
    Molecular Formula:
    C4H10N2
    Molecular Weight:
    0
    Specification Sheet SDS

  • 6-Maleimidohexanoic acid N-hydroxysuccinimide ester

    Purity:
    ≥ 98% (HPLC)
    Synonym:
    6-Maleimidocaproic acid N-hydroxysuccinimide ester
    Catalog Number:
    05007
    CAS Number:
    55750-63-5
    Purity Limit:
    ≥ 98% (HPLC)
    MDL NO:
    MFCD00043043
    Molecular Formula:
    C14H16N2O6
    Molecular Weight:
    308.3
    Specification Sheet SDS

  • Diethanolamine

    Hazmat
    Purity:
    ≥ 99%
    Synonym:
    Bis(2-hydroxyethyl)amine
    Hazmat
    Catalog Number:
    03999
    CAS Number:
    111-42-2
    Purity Limit:
    ≥ 99%
    MDL NO:
    MFCD00002843
    Molecular Formula:
    C4H11NO2
    Molecular Weight:
    0
    Specification Sheet SDS

  • N-Methylmorpholine

    Hazmat
    Purity:
    ≥ 99% (Assay)
    Synonym:
    4-Methylmorpholine
    Hazmat
    Catalog Number:
    02333
    CAS Number:
    109-02-4
    Purity Limit:
    ≥ 99% (Assay)
    MDL NO:
    MFCD00006175
    Molecular Formula:
    C5H11NO
    Molecular Weight:
    0
    Specification Sheet SDS

  • Dicyclohexylamine

    Hazmat
    Purity:
    ≥ 99% (GC)
    Synonym:
    DCHA
    Hazmat
    Catalog Number:
    02300
    CAS Number:
    101-83-7
    Purity Limit:
    ≥ 99% (GC)
    MDL NO:
    MFCD00011658
    Molecular Formula:
    C12H23N
    Molecular Weight:
    0
    Specification Sheet SDS

  • Succinic anhydride

    Hazmat
    Purity:
    ≥ 97% (Assay)
    Synonym:
    2,5-Dioxotetrahydrofuran
    Hazmat
    Catalog Number:
    02106
    CAS Number:
    108-30-5
    Purity Limit:
    ≥ 97% (Assay)
    MDL NO:
    MFCD00005525
    Molecular Formula:
    C4H4O3
    Molecular Weight:
    0
    Specification Sheet SDS

  • 4-(Dimethylamino)cinnamaldehyde

    Purity:
    ≥ 99% (HPLC)
    Synonym:
    (2E)-3-[4-(Dimethylamino)phenyl]prop-2-enal
    Catalog Number:
    01594
    CAS Number:
    6203-18-5
    Purity Limit:
    ≥ 99% (HPLC)
    MDL NO:
    MFCD00007002
    Molecular Formula:
    C11H13NO
    Molecular Weight:
    175.2
    Specification Sheet SDS

  • Cinnamic acid

    Purity:
    ≥ 99% (Assay)
    Synonym:
    β-Phenylacrylic acid
    Catalog Number:
    01532
    CAS Number:
    140-10-3
    Purity Limit:
    ≥ 99% (Assay)
    MDL NO:
    MFCD00004369
    Molecular Formula:
    C9H8O2
    Molecular Weight:
    148.16
    Specification Sheet SDS

  • Succinic acid

    Grade:
    ACS reagent
    Purity:
    ≥ 99.0% (Titration)
    Synonym:
    Butanedioic acid
    Catalog Number:
    01465
    Grade:
    ACS reagent
    CAS Number:
    110-15-6
    Purity Limit:
    ≥ 99.0% (Titration)
    MDL NO:
    MFCD00002789
    Molecular Formula:
    C4H6O4
    Molecular Weight:
    118.1
    Specification Sheet SDS

  • Oleic acid

    Grade:
    High Purity Grade
    Purity:
    ≥ 99% (Assay)
    Synonym:
    cis-9-Octadecenoic acid
    Catalog Number:
    01421
    Grade:
    High Purity Grade
    CAS Number:
    112-80-1
    Purity Limit:
    ≥ 99% (Assay)
    MDL NO:
    MFCD00064242
    Molecular Formula:
    C18H34O2
    Molecular Weight:
    282.47
    Specification Sheet SDS

  • Hydroxylamine hydrochloride

    Hazmat
    Purity:
    ≥ 99% (Titration)
    Synonym:
    Hydroxylammonium chloride
    Hazmat
    Catalog Number:
    01235
    CAS Number:
    5470-11-1
    Purity Limit:
    ≥ 99% (Titration)
    MDL NO:
    MFCD00051089
    Molecular Formula:
    NH2OH·HCl
    Molecular Weight:
    0
    Specification Sheet SDS

  • 2-Aminoethanesulfonic acid

    Purity:
    ≥ 98%
    Synonym:
    Taurine
    Catalog Number:
    01153
    CAS Number:
    107-35-7
    Purity Limit:
    ≥ 98%
    MDL NO:
    MFCD00008197
    Molecular Formula:
    C2H7NO3S
    Molecular Weight:
    125.15
    Specification Sheet SDS
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