Cysteine [Cys] Amino Acids & Derivatives

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Fmoc-S-4-methyltrityl-L-cysteine

Purity:

≥ 98% (HPLC)

Synonym:

Fmoc-L-Cys(Mtt)-OH

Catalog Number:

11625

CAS Number:

269067-38-1

Purity Limit:

≥ 98% (HPLC)

MDL NO:

MFCD02259492

Molecular Formula:

C₃₈H₃₃NO₄S

Molecular Weight:

599.75

Specification Sheet SDS
Boc-S-tert-butyl-L-cysteine dicyclohexylammonium salt

Purity:

≥ 98% (HPLC)

Synonym:

Boc-S-tert-butyl-L-cysteine dicyclohexylammonium salt

Catalog Number:

11594

CAS Number:

60143-30-8

Purity Limit:

≥ 98% (HPLC)

MDL NO:

MFCD09039285

Molecular Formula:

C₁₂H₂₃NO₄S·C₁₂H₂₃N

Molecular Weight:

458.71

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

Purity:

≥ 98% (HPLC)

Synonym:

Fmoc-L-Cys(Me)-OH

Catalog Number:

11178

CAS Number:

138021-87-1

Purity Limit:

≥ 98% (HPLC)

MDL NO:

MFCD00237014

Molecular Formula:

C₁₉H₁₉NO₄S

Molecular Weight:

357.43

Specification Sheet SDS
Fmoc-S-sulfo-L-cysteine disodium

Purity:

≥ 99.8% (HPLC, Chiral purity)

Synonym:

Fmoc-L-Cys(SO3H)-OH·disodium salt

Catalog Number:

11179

CAS Number:

163558-30-3

Purity Limit:

≥ 99.8% (HPLC, Chiral purity)

MDL NO:

MFCD00237016

Molecular Formula:

C₁₈H₁₅NNa₂O₇S₂

Molecular Weight:

467.43

Specification Sheet SDS
Fmoc-S-Boc-3-aminopropyl-L-cysteine

Purity:

≥ 98% (HPLC)

Synonym:

Fmoc-L-Cys(Boc-3-aminopropyl)-OH

Catalog Number:

07053

CAS Number:

173963-91-2

Purity Limit:

≥ 98% (HPLC)

MDL NO:

MFCD01318742

Molecular Formula:

C₂₆H₃₂N₂O₆S

Molecular Weight:

500.62

Specification Sheet SDS
Acetyl-S-farnesyl-L-cysteine

Purity:

≥ 99% (TLC)

Synonym:

Ac-L-Cys(Farnesyl)-OH

Catalog Number:

06995

CAS Number:

135304-07-3

Purity Limit:

≥ 99% (TLC)

MDL NO:

MFCD00871540

Molecular Formula:

C₂₀H₃₃NO₃S

Molecular Weight:

367.55

Specification Sheet SDS
S-tert-Butyl-D-cysteine hydrochloride

Purity:

≥ 98% (HPLC)

Synonym:

D-Cys(tBu)-OH·HCl

Catalog Number:

05951

CAS Number:

200353-65-7

Purity Limit:

≥ 98% (HPLC)

MDL NO:

MFCD00135154

Molecular Formula:

C₇H₁₅NO₂S·HCl

Molecular Weight:

213.7

Specification Sheet SDS
S-4-Methylbenzyl-D-cysteine

Purity:

≥ 99% (HPLC)

Synonym:

D-Cys(pMeBzl)-OH

Catalog Number:

05949

CAS Number:

127348-02-1

Purity Limit:

≥ 99% (HPLC)

MDL NO:

MFCD00236945

Molecular Formula:

C₁₁H₁₅NO₂S

Molecular Weight:

225.3

Specification Sheet SDS
S-Trityl-D-cysteine

Purity:

≥ 98% (HPLC)

Synonym:

D-Cys(Trt)-OH

Catalog Number:

05952

CAS Number:

25840-82-8

Purity Limit:

≥ 98% (HPLC)

MDL NO:

MFCD00236948

Molecular Formula:

C₂₂H₂₁NO₂S

Molecular Weight:

363.5

Specification Sheet SDS
S-4-Methoxybenzyl-D-cysteine

Purity:

≥ 97% (HPLC)

Synonym:

D-Cys(pMeOBzl)-OH

Catalog Number:

05950

CAS Number:

58290-34-9

Purity Limit:

≥ 97% (HPLC)

MDL NO:

MFCD00236946

Molecular Formula:

C₁₁H₁₅NO₃S

Molecular Weight:

241.3

Specification Sheet SDS
S-Benzyl-L-cysteine 4-nitroanilide

Purity:

≥ 98% (TLC)

Synonym:

L-Cys(Bzl)-pNA

Catalog Number:

05915

CAS Number:

7436-62-6

Purity Limit:

≥ 98% (TLC)

MDL NO:

MFCD00007302

Molecular Formula:

C₁₆H₁₇N₃O₃S

Molecular Weight:

331.43

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

Purity:

≥ 99% (TLC)

Synonym:

L-Cys(Bzl)-OEt·HCl

Catalog Number:

05914

CAS Number:

52844-67-4

Purity Limit:

≥ 99% (TLC)

MDL NO:

MFCD00038909

Molecular Formula:

C₁₂H₁₇NO₂S·HCl

Molecular Weight:

275.8

Specification Sheet SDS
S-Benzyl-L-cysteine β-naphthylamide

Purity:

99%

Synonym:

L-Cys(Bzl)-βNA

Catalog Number:

05916

CAS Number:

7436-63-7

Purity Limit:

99%

MDL NO:

MFCD00021595

Molecular Formula:

C₂₀H₂₀N₂OS

Molecular Weight:

336.45

Specification Sheet SDS
S-9-Fluorenylmethyl-L-cysteine hydrochloride

Purity:

≥ 99% (TLC)

Synonym:

L-Cys(Fm)-OH·HCl

Catalog Number:

05918

CAS Number:

84888-34-6

Purity Limit:

≥ 99% (TLC)

MDL NO:

MFCD00236944

Molecular Formula:

C₁₇H₁₇NO₂S·HCl

Molecular Weight:

335.88

Specification Sheet SDS
S-Trityl-L-cysteine amide

Purity:

≥ 98% (HPLC)

Synonym:

L-Cys(Trt)-NH2

Catalog Number:

05920

CAS Number:

166737-85-5

Purity Limit:

≥ 98% (HPLC)

MDL NO:

MFCD22126061

Molecular Formula:

C₂₂H₂₂N₂OS

Molecular Weight:

362.5

Specification Sheet SDS
S-Diphenylmethyl-L-cysteine

Purity:

≥ 99% (TLC)

Synonym:

L-Cys(Dpm)-OH

Catalog Number:

05917

CAS Number:

5191-80-0

Purity Limit:

≥ 99% (TLC)

MDL NO:

MFCD00065211

Molecular Formula:

C₁₆H₁₇NO₂S

Molecular Weight:

287.38

Specification Sheet SDS
S-Benzyl-L-cysteine benzyl ester 4-toluenesulfonate salt

Purity:

≥ 99% (TLC)

Synonym:

L-Cys(Bzl)-OBzl·TosOH

Catalog Number:

05913

CAS Number:

73995-16-1

Purity Limit:

≥ 99% (TLC)

MDL NO:

MFCD00038984

Molecular Formula:

C₁₇H₁₉NO₂S·C₇H₈O₃S

Molecular Weight:

473.59

Specification Sheet SDS
Fmoc-S-tert-butyl-D-cysteine

Purity:

≥ 97% (HPLC)

Synonym:

Fmoc-D-Cys(tBu)-OH

Catalog Number:

05696

CAS Number:

131766-22-8

Purity Limit:

≥ 97% (HPLC)

MDL NO:

MFCD00077052

Molecular Formula:

C₂₂H₂₅NO₄S

Molecular Weight:

399.5

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

Purity:

≥ 98% (HPLC)

Synonym:

Fmoc-D-Cys(StBu)-OH

Catalog Number:

05695

CAS Number:

501326-55-2

Purity Limit:

≥ 98% (HPLC)

MDL NO:

MFCD01632050

Molecular Formula:

C₂₂H₂₅NO₄S₂

Molecular Weight:

431.6

Specification Sheet SDS
Fmoc-S-2-hydroxyethyl-L-cysteine

Purity:

≥ 98% (HPLC)

Synonym:

Fmoc-L-Cys(2-hydroxyethyl)-OH

Catalog Number:

05682

CAS Number:

200354-35-4

Purity Limit:

≥ 98% (HPLC)

MDL NO:

MFCD00672330

Molecular Formula:

C₂₀H₂₁NO₅S

Molecular Weight:

387.46

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

Purity:

≥ 98% (HPLC)

Synonym:

Fmoc-D-Cys(pMeBzl)-OH

Catalog Number:

05693

CAS Number:

200354-41-2

Purity Limit:

≥ 98% (HPLC)

MDL NO:

MFCD00237013

Molecular Formula:

C₂₆H₂₅NO₄S

Molecular Weight:

447.6

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

Purity:

≥ 99% (HPLC)

Synonym:

Boc-D-Cys(Trt)-OH

Catalog Number:

05484

CAS Number:

87494-13-1

Purity Limit:

≥ 99% (HPLC)

MDL NO:

MFCD00236839

Molecular Formula:

C₂₇H₂₉NO₄S

Molecular Weight:

463.57

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

Purity:

≥ 98% (HPLC)

Synonym:

Boc-L-Cys(Et)-OH

Catalog Number:

05466

CAS Number:

16947-82-3

Purity Limit:

≥ 98% (HPLC)

MDL NO:

MFCD00076919

Molecular Formula:

C₁₀H₁₉NO₄S

Molecular Weight:

249.3

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

Purity:

≥ 98% (HPLC)

Synonym:

Boc-D-Cys(pMeOBzl)-OH

Catalog Number:

05483

CAS Number:

58290-35-0

Purity Limit:

≥ 98% (HPLC)

MDL NO:

MFCD00076922

Molecular Formula:

C₁₆H₂₃NO₅S

Molecular Weight:

341.4

Specification Sheet SDS
Boc-S-Z-aminoethyl-L-cysteine

Purity:

≥ 99% (TLC)

Synonym:

Boc-L-Cys(Z-NHEt)-OH

Catalog Number:

05469

CAS Number:

85003-76-5

Purity Limit:

≥ 99% (TLC)

MDL NO:

MFCD00236840

Molecular Formula:

C₁₈H₂₆N₂O₆S

Molecular Weight:

398.48

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

Purity:

≥ 97%

Synonym:

Boc-L-Cys(Me)-OH

Catalog Number:

05468

CAS Number:

16947-80-1

Purity Limit:

≥ 97%

MDL NO:

MFCD00076923

Molecular Formula:

C₉H₁₇NO₄S

Molecular Weight:

235.7

Specification Sheet SDS
Boc-S-9-fluorenylmethyl-L-cysteine

Purity:

≥ 99% (HPLC)

Synonym:

Boc-L-Cys(Fm)-OH

Catalog Number:

05467

CAS Number:

84888-35-7

Purity Limit:

≥ 99% (HPLC)

MDL NO:

MFCD00076921

Molecular Formula:

C₂₂H₂₅NO₄S

Molecular Weight:

399.51

Specification Sheet SDS
Boc-S-3,4-dimethylbenzyl-L-cysteine

Purity:

≥ 98% (TLC)

Synonym:

Boc-L-Cys(3,4-dimethylBzl)-OH

Catalog Number:

05465

CAS Number:

41117-66-2

Purity Limit:

≥ 98% (TLC)

MDL NO:

MFCD00060743

Molecular Formula:

C₁₇H₂₅NO₄S

Molecular Weight:

339.46

Specification Sheet SDS
N,S-di-Z-L-cysteine

Purity:

≥ 98% (HPLC)

Synonym:

Z-L-Cys(Z)-OH

Catalog Number:

05386

CAS Number:

57912-35-3

Purity Limit:

≥ 98% (HPLC)

MDL NO:

MFCD00037823

Molecular Formula:

C₁₉H₁₉NO₆S

Molecular Weight:

389.4

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

Purity:

≥ 98% (HPLC)

Synonym:

Boc-D-Cys(Acm)-OH

Catalog Number:

05352

CAS Number:

138775-00-5

Purity Limit:

≥ 98% (HPLC)

MDL NO:

MFCD00076917

Molecular Formula:

C₁₁H₂₀N₂O₅S

Molecular Weight:

292.3

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

Purity:

≥ 99% (HPLC)

Synonym:

Boc-D-Cys(Bzl)-OH

Catalog Number:

05298

CAS Number:

102830-49-9

Purity Limit:

≥ 99% (HPLC)

MDL NO:

MFCD00038253

Molecular Formula:

C₁₅H₂₁NO₄S

Molecular Weight:

311.4

Specification Sheet SDS
Boc-S-tert-butyl-L-cysteine

Purity:

≥ 99% (HPLC)

Synonym:

Boc-L-Cys(tBu)-OH

Catalog Number:

05296

CAS Number:

56976-06-8

Purity Limit:

≥ 99% (HPLC)

MDL NO:

MFCD00076918

Molecular Formula:

C₁₂H₂₃NO₄S

Molecular Weight:

277.4

Specification Sheet SDS
S-Acetamidomethyl-D-cysteine hydrochloride

Purity:

≥ 98%

Synonym:

S-Acetamidomethyl-D-cysteine hydrochloride

Catalog Number:

04425

CAS Number:

200352-41-6

Purity Limit:

≥ 98%

MDL NO:

MFCD00043380

Molecular Formula:

C₆H₁₂N₂O₃S·HCl

Molecular Weight:

228.7

Specification Sheet SDS
Palmitoyl-S-[2,3-bis(palmitoyloxy)-(2RS-propyl]-L-cysteine

Purity:

≥ 98% (TLC)

Synonym:

Pam-L-Cys[(2,3-bis-PamO)Pr]-OH

Catalog Number:

04423

CAS Number:

70512-46-8

Purity Limit:

≥ 98% (TLC)

MDL NO:

MFCD00153468

Molecular Formula:

C₅₄H₁₀₃NO₇S

Molecular Weight:

910.5

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

Purity:

≥ 98% (HPLC)

Synonym:

Ac-L-Cys(Trt)-OH

Catalog Number:

04346

CAS Number:

27486-87-9

Purity Limit:

≥ 98% (HPLC)

MDL NO:

MFCD00236747

Molecular Formula:

C₂₄H₂₃NO₃S

Molecular Weight:

405.52

Specification Sheet SDS
Boc-S-benzyl-L-cysteine N-hydroxysuccinimide ester

Purity:

≥ 98% (HPLC)

Synonym:

Boc-L-Cys(Bzl)-OSu

Catalog Number:

03969

CAS Number:

85097-54-7

Purity Limit:

≥ 98% (HPLC)

MDL NO:

MFCD00190786

Molecular Formula:

C₁₉H₂₄N₂O₆S

Molecular Weight:

408.47

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

Purity:

≥ 98% (HPLC)

Synonym:

Boc-D-Cys(pMeBzl)-OH

Catalog Number:

03971

CAS Number:

61925-78-8

Purity Limit:

≥ 98% (HPLC)

MDL NO:

MFCD00076924

Molecular Formula:

C₁₆H₂₃NO₄S

Molecular Weight:

325.4

Specification Sheet SDS
Boc-S-4-methylbenzyl-L-cysteine N-hydroxysuccinimide ester

Purity:

≥ 98% (HPLC)

Synonym:

Boc-L-Cys(pMeBzl)-OSu

Catalog Number:

03970

CAS Number:

140842-91-7

Purity Limit:

≥ 98% (HPLC)

MDL NO:

MFCD00236833

Molecular Formula:

C₂₀H₂₆N₂O₆S

Molecular Weight:

422.5

Specification Sheet SDS
Boc-S-acetamidomethyl-L-cysteine 4-nitrophenyl ester

Purity:

≥ 98% (Assay)

Synonym:

Boc-L-Cys(Acm)-ONp

Catalog Number:

03966

CAS Number:

58651-76-6

Purity Limit:

≥ 98% (Assay)

MDL NO:

MFCD00236831

Molecular Formula:

C₁₇H₂₃N₃O₇S

Molecular Weight:

413.45

Specification Sheet SDS
Boc-S-3-nitro-2-pyridinesulfenyl-L-cysteine

Purity:

≥ 98.5%

Synonym:

Boc-L-Cys(Npys)-OH

Catalog Number:

03823

CAS Number:

76880-29-0

Purity Limit:

≥ 98.5%

MDL NO:

MFCD00153301

Molecular Formula:

C₁₃H₁₇N₃O₆S₂

Molecular Weight:

375.43

Specification Sheet SDS
Fmoc-S-3-nitro-2-pyridine-sulfenyl-L-cysteine

Purity:

≥ 98% (HPLC)

Synonym:

Fmoc-L-Cys(Npys)-OH

Catalog Number:

03770

CAS Number:

159700-51-3

Purity Limit:

≥ 98% (HPLC)

MDL NO:

MFCD00065638

Molecular Formula:

C₂₄H₂₁N²O₄S₂

Molecular Weight:

497.54

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

Purity:

≥ 99% (HPLC)

Synonym:

Fmoc-L-Cys(Et)-OH

Catalog Number:

03769

CAS Number:

200354-34-3

Purity Limit:

≥ 99% (HPLC)

MDL NO:

MFCD00151921

Molecular Formula:

C₂₀H₂₁NO₄S

Molecular Weight:

371.5

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

Purity:

≥ 99.5% (Chiral HPLC)

Synonym:

Fmoc-D-Cys(Acm)-OH

Catalog Number:

03700

CAS Number:

168300-88-7

Purity Limit:

≥ 99.5% (Chiral HPLC)

MDL NO:

MFCD00077053

Molecular Formula:

C₂₁H₂₂N₂O₅S

Molecular Weight:

414.5

Specification Sheet SDS
Fmoc-S-[2,3-bis(palmitoyloxy)propyl]-L-cysteine

Purity:

≥ 96% (HPLC)

Synonym:

Fmoc-Dhc(Pam)2-OH

Catalog Number:

03697

CAS Number:

210532-98-2

Purity Limit:

≥ 96% (HPLC)

MDL NO:

MFCD00153354

Molecular Formula:

C₅₃H₈₃NO₈S

Molecular Weight:

894.31

Specification Sheet SDS
S-(2-Aminoethyl-L-cysteine hydrochloride

Purity:

≥ 99% (TLC)

Synonym:

L-Cys(aminoethyl)-OH·HCl

Catalog Number:

03295

CAS Number:

4099-35-8

Purity Limit:

≥ 99% (TLC)

MDL NO:

MFCD00036385

Molecular Formula:

C₅H₁₂N₂O₂S·HCl

Molecular Weight:

200.7

Specification Sheet SDS
S-4-Methoxybenzyl-L-cysteine

Purity:

≥ 99% (Assay by titration)

Synonym:

L-Cys(pMeOBzl)-OH

Catalog Number:

03053

CAS Number:

2544-31-2

Purity Limit:

≥ 99% (Assay by titration)

MDL NO:

MFCD00037207

Molecular Formula:

C₁₁H₁₅NO₃S

Molecular Weight:

241.3

Specification Sheet SDS
S-Benzyl-L-cysteine

Purity:

≥ 99% (HPLC)

Synonym:

L-Cys(Bzl)-OH

Catalog Number:

03047

CAS Number:

3054-01-1

Purity Limit:

≥ 99% (HPLC)

MDL NO:

MFCD00002613

Molecular Formula:

C₁₀H₁₃NO₂S

Molecular Weight:

211.3

Specification Sheet SDS
S-Acetamidomethyl-L-cysteine hydrochloride

Purity:

≥ 98% (HPLC)

Synonym:

L-Cys(Acm)-OH·HCl

Catalog Number:

03046

CAS Number:

28798-28-9

Purity Limit:

≥ 98% (HPLC)

MDL NO:

MFCD00077080

Molecular Formula:

C₆H₁₂N₂O₃S·HCl

Molecular Weight:

228.7

Specification Sheet SDS
S-4-Methylbenzyl-L-cysteine

Synonym:

L-Cys(pMeBzl)-OH

Catalog Number:

03054

CAS Number:

42294-52-0

MDL NO:

MFCD00038576

Molecular Formula:

C₁₁H₁₅NO₂S

Molecular Weight:

225.3

SDS
S-tert-Butyl-L-cysteine hydrochloride

Purity:

≥ 99% (HPLC)

Synonym:

L-Cys(tBu)-OH·HCl

Catalog Number:

03050

CAS Number:

2481-09-6

Purity Limit:

≥ 99% (HPLC)

MDL NO:

MFCD00037426

Molecular Formula:

C₇H₁₅NO₂S·HCl

Molecular Weight:

213.7

Specification Sheet SDS

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