Cysteine [Cys] Amino Acids & Derivatives

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S-tert-Butylthio-L-cysteine

Purity:

≥ 99.5% (Chiral purity)

Synonym:

L-Cys(StBu)-OH

Catalog Number:

03051

CAS Number:

30044-51-0

Purity Limit:

≥ 99.5% (Chiral purity)

MDL NO:

MFCD00002609

Molecular Formula:

C₇H₁₅NO₂S₂

Molecular Weight:

209.3

Specification Sheet SDS
S-Benzyl-L-cysteine methyl ester hydrochloride

Purity:

≥ 96% (HPLC)

Synonym:

L-Cys(Bzl)-OMe·HCl

Catalog Number:

03049

CAS Number:

16741-80-3

Purity Limit:

≥ 96% (HPLC)

MDL NO:

MFCD00034845

Molecular Formula:

C₁₁H₁₅NO₂S·HCl

Molecular Weight:

261.8

Specification Sheet SDS
Fmoc-S-4-methoxybenzyl-L-cysteine

Purity:

≥ 99% (HPLC)

Synonym:

Fmoc-L-Cys(pMeOBzl)-OH

Catalog Number:

02400

CAS Number:

141892-41-3

Purity Limit:

≥ 99% (HPLC)

MDL NO:

MFCD00065635

Molecular Formula:

C₂₆H₂₅NO₅S

Molecular Weight:

463.6

Specification Sheet SDS
Fmoc-S-tert-butylthio-L-cysteine

Purity:

≥ 98% (HPLC)

Synonym:

Fmoc-L-Cys(StBu)-OH

Catalog Number:

02403

CAS Number:

73724-43-3

Purity Limit:

≥ 98% (HPLC)

MDL NO:

MFCD00042617

Molecular Formula:

C₂₂H₂₅NO₄S₂

Molecular Weight:

431.6

Specification Sheet SDS
Fmoc-S-acetamidomethyl-L-cysteine

Purity:

≥ 98% (HPLC)

Synonym:

Fmoc-L-Cys(Acm)-OH

Catalog Number:

02396

CAS Number:

86060-81-3

Purity Limit:

≥ 98% (HPLC)

MDL NO:

MFCD00038769

Molecular Formula:

C₂₁H₂₂N₂O₅S

Molecular Weight:

414.5

Specification Sheet SDS
Fmoc-S-benzyl-L-cysteine

Purity:

≥ 99% (HPLC)

Synonym:

Fmoc-L-Cys(Bzl)-OH

Catalog Number:

02398

CAS Number:

53298-33-2

Purity Limit:

≥ 99% (HPLC)

MDL NO:

MFCD00065633

Molecular Formula:

C₂₅H₂₃NO₄S

Molecular Weight:

433.53

Specification Sheet SDS
Fmoc-S-4-methylbenzyl-L-cysteine

Purity:

≥ 98%

Synonym:

Fmoc-L-Cys(pMeBzl)-OH

Catalog Number:

02399

CAS Number:

136050-67-4

Purity Limit:

≥ 98%

MDL NO:

MFCD00065634

Molecular Formula:

C₂₆H₂₅NO₄S

Molecular Weight:

447.6

Specification Sheet SDS
Z-S-4-methoxybenzyl-L-cysteine

Purity:

≥ 98% (HPLC)

Synonym:

Z-L-Cys(pMeOBzl)-OH

Catalog Number:

02154

CAS Number:

3081-32-1

Purity Limit:

≥ 98% (HPLC)

MDL NO:

MFCD00077012

Molecular Formula:

C₁₉H₂₁NO₅S

Molecular Weight:

375.3

Specification Sheet SDS
Z-S-benzyl-L-cysteine 4-nitrophenyl ester

Purity:

≥ 98% (HPLC)

Synonym:

Z-L-Cys(Bzl)-ONp

Catalog Number:

02153

CAS Number:

3401-37-4

Purity Limit:

≥ 98% (HPLC)

MDL NO:

MFCD00024660

Molecular Formula:

C₂₄H₂₂N₂O₆S

Molecular Weight:

466.5

Specification Sheet SDS
Z-S-benzyl-L-cysteine

Purity:

≥ 99% (HPLC)

Synonym:

Z-L-Cys(Bzl)-OH

Catalog Number:

02152

CAS Number:

3257-18-9

Purity Limit:

≥ 99% (HPLC)

MDL NO:

MFCD00004785

Molecular Formula:

C₁₈H₁₉NO₄OS

Molecular Weight:

345.4

Specification Sheet SDS
Boc-S-trityl-L-cysteine

Purity:

≥ 99.5% (Chiral HPLC)

Synonym:

Boc-L-Cys(Trt)-OH

Catalog Number:

01343

CAS Number:

21947-98-8

Purity Limit:

≥ 99.5% (Chiral HPLC)

MDL NO:

MFCD00038251

Molecular Formula:

C₂₇H₂₉NO₄S

Molecular Weight:

463.57

Specification Sheet SDS
Boc-L-cysteine

Purity:

98% (HPLC)

Synonym:

Boc-L-Cys-OH

Catalog Number:

01341

CAS Number:

20887-95-0

Purity Limit:

98% (HPLC)

MDL NO:

MFCD00065565

Molecular Formula:

C₈H₁₅NO₄S

Molecular Weight:

221.3

Specification Sheet SDS
Boc-S-4-methoxybenzyl-L-cysteine

Purity:

≥ 98% (HPLC, TLC)

Synonym:

Boc-L-Cys(pMeOBzl)-OH

Catalog Number:

01342

CAS Number:

18942-46-6

Purity Limit:

≥ 98% (HPLC, TLC)

MDL NO:

MFCD00038254

Molecular Formula:

C₁₆H₂₃NO₅S

Molecular Weight:

341.4

Specification Sheet SDS
Boc-S-4-methylbenzyl-L-cysteine

Purity:

≥ 98% (HPLC)

Synonym:

Boc-L-Cys(pMeBzl)-OH

Catalog Number:

00776

CAS Number:

61925-77-7

Purity Limit:

≥ 98% (HPLC)

MDL NO:

MFCD00038517

Molecular Formula:

C₁₆H₂₃NO₄S

Molecular Weight:

325.4

Specification Sheet SDS
Boc-S-acetamidomethyl-L-cysteine

Purity:

≥ 98% (HPLC)

Synonym:

Boc-L-Cys(Acm)-OH

Catalog Number:

00777

CAS Number:

19746-37-3

Purity Limit:

≥ 98% (HPLC)

MDL NO:

MFCD00038252

Molecular Formula:

C₁₁H₂₀N₂O₅S

Molecular Weight:

292.3

Specification Sheet SDS
S-Carboxymethyl-L-cysteine

Grade:

EP

Purity:

98.5 - 101.0% (Assay)

Synonym:

L-Cys(carboxymethyl)-OH

Catalog Number:

00629

Grade:

EP

CAS Number:

638-23-3

Purity Limit:

98.5 - 101.0% (Assay)

MDL NO:

MFCD00002614

Molecular Formula:

C₅H₉NO₄S

Molecular Weight:

179.19

Specification Sheet SDS
L-Cysteine ethyl ester hydrochloride

Purity:

≥ 99% (Titration)

Synonym:

L-Cys-OEt·HCl

Catalog Number:

00628

CAS Number:

868-59-7

Purity Limit:

≥ 99% (Titration)

MDL NO:

MFCD00012631

Molecular Formula:

C₅H₁₁NO₂S·HCl

Molecular Weight:

185.7

Specification Sheet SDS
Boc-S-benzyl-L-cysteine

Purity:

≥ 99% (HPLC)

Synonym:

Boc-L-Cys(Bzl)-OH

Catalog Number:

00621

CAS Number:

5068-28-0

Purity Limit:

≥ 99% (HPLC)

MDL NO:

MFCD00065567

Molecular Formula:

C₁₅H₂₁NO₄S

Molecular Weight:

311.4

Specification Sheet SDS
Phthaloyl-S-methyl-L-cysteine

Purity:

≥ 98%

Synonym:

Pht-L-Cys(Me)-OH

Catalog Number:

00255

Purity Limit:

≥ 98%

MDL NO:

MFCD00274097

Molecular Formula:

C₁₂H₁₁NO₄S

Molecular Weight:

265.28

Specification Sheet SDS
L-Cysteine hydrochloride anhydrous

Purity:

98.0-102.0% (Titration)

Synonym:

L-Cys-OH·HCl

Catalog Number:

00087

CAS Number:

52-89-1

Purity Limit:

98.0-102.0% (Titration)

MDL NO:

MFCD00064553

Molecular Formula:

C₃H₇NO₂S·HCl

Molecular Weight:

157.63

Specification Sheet SDS
D-Cysteine hydrochloride monohydrate

Purity:

≥ 99.5% (Assay)

Synonym:

D-Cys-OH·HCl·H2O

Catalog Number:

00086

CAS Number:

32443-99-5

Purity Limit:

≥ 99.5% (Assay)

MDL NO:

MFCD00150051

Molecular Formula:

C₃H₇NO₂S·HCl·H₂O

Molecular Weight:

175.63

Specification Sheet SDS

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