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S-tert-Butylmercapto-l-cysteine

S-tert-Butylmercapto-l-cysteine structure

CAS No.: 30044-51-0

Chemical Name:: S-tert-Butylmercapto-l-cysteine

Synonyms: L-Cys(StBu)-OH;S-TERT-BUTYLTHIO-L-CYSTEINE;Nsc677546;Aids032862;Aids-032862;H-CYS(TBUS)-OH;H-CYS(STBU)-OH;H-L-CYS(STBU)-OH;L-H-CYS(STBU)-OH;CYSTEINE(STBU)-OH

CBNumber:: CB8474667

Molecular Formula:: C7H15NO2S2

Molecular Weight:: 209.33

MDL Number:: MFCD00002609

MOL File:: 30044-51-0.mol

MSDS File:: SDS

TDS File:: TDS

Last updated:2026-05-28 04:13:01

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S-tert-Butylmercapto-l-cysteine Properties

Melting point	177 °C (dec.)(lit.)
Boiling point	324.7±37.0 °C(Predicted)
Density	1.225
storage temp.	2-8°C
form	Solid
pka	2.03±0.10(Predicted)
color	White to off-white
BRN	2247500
Major Application	peptide synthesis
InChI	InChI=1S/C7H15NO2S2/c1-7(2,3)12-11-4-5(8)6(9)10/h5H,4,8H2,1-3H3,(H,9,10)/t5-/m0/s1
InChIKey	TWMBHZTWEDJDRC-YFKPBYRVSA-N
SMILES	C(O)(=O)[C@H](CSSC(C)(C)C)N
CAS DataBase Reference	30044-51-0(CAS DataBase Reference)
UNSPSC Code	12352209
NACRES	NA.26

SAFETY

Risk and Safety Statements

Symbol(GHS)	GHS07
Signal word	Warning
Hazard statements	H315-H319-H335
Precautionary statements	P280-P302+P352-P304+P340
Safety Statements	22-24/25
WGK Germany	3
F	13
HS Code	2930901600
Storage Class	11 - Combustible Solids

S-tert-Butylmercapto-l-cysteine price More Price(34)

Manufacturer	Product number	Product description	CAS number	Packaging	Price	Updated	Buy
Sigma-Aldrich	B5890	S-tert-Butylmercapto-L-cysteine	30044-51-0	5g	$126	2026-04-30	Buy
Usbiological	264752	S-tert-Butylthio-L-cysteine Asreported	30044-51-0	2g	$347	2026-06-03	Buy
Usbiological	264752	S-tert-Butylthio-L-cysteine Asreported	30044-51-0	5g	$522	2026-06-03	Buy
Usbiological	264752	S-tert-Butylthio-L-cysteine Asreported	30044-51-0	10g	$715	2026-06-03	Buy
Usbiological	264752	S-tert-Butylthio-L-cysteine Asreported	30044-51-0	25g	$981	2026-06-03	Buy

Product number	Packaging	Price	Buy
B5890	5g	$126	Buy
264752	2g	$347	Buy
264752	5g	$522	Buy
264752	10g	$715	Buy
264752	25g	$981	Buy

S-tert-Butylmercapto-l-cysteine Chemical Properties,Uses,Production

Chemical Properties

White powder

Uses

S-tert-butylmercapto-L-cysteine may be used to introduce synthetically useful S-tert-butylthio groups into peptides.

Biological Activity

S-tert-Butylmercapto-L-cysteine is a cysteine derivative. it is may be used to introduce synthetically useful S-tert-butylthio groups into peptides.

S-tert-Butylmercapto-l-cysteine Preparation Products And Raw materials

Raw materials

Preparation Products

FMOC-CYS(STBU)-OH

S-tert-Butylmercapto-l-cysteine Suppliers

Global( 102)Suppliers

Supplier	Tel	Email	Country	ProdList	Advantage
Shanghai Hanhong Scientific Co.,Ltd.	021-54306202 13764082696	info@hanhongsci.com	China	42917	64
Chemsky (shanghai) International Co.,Ltd	021-50135380	shchemsky@sina.com	China	15350	60
Syntechem Co.,Ltd		info@syntechem.com	China	12973	57
Lavem Chine Pharm Company	028-62070218 18190869852	sales@lavemc.com	China	214	67
Guangzhou Isun Pharmaceutical Co., Ltd	020-39119399 18927568969	isunpharm@qq.com	China	4773	55
HBCChem, Inc.	+1-510-219-6317	sales@hbcchem.com	United States	10628	60
Bide Pharmatech Ltd.	400-164-7117 18317119277	product02@bidepharm.com	China	40000	60
Wuxi Zhongkun Biochemical Technology Co., Ltd.	0510-85629785 18013409632;	sales@reading-chemicals.com	China	15165	58
Shanghai GL Peptide Ltd.	+86-21-61263310 13764994101	fisherwang@glschina.com	China	8058	55
Shanghai YuanYe Biotechnology Co., Ltd.	15026964105	2881489226@qq.com	China	89667	60

Supplier	Advantage
Shanghai Hanhong Scientific Co.,Ltd.	64
Chemsky (shanghai) International Co.,Ltd	60
Syntechem Co.,Ltd	57
Lavem Chine Pharm Company	67
Guangzhou Isun Pharmaceutical Co., Ltd	55
HBCChem, Inc.	60
Bide Pharmatech Ltd.	60
Wuxi Zhongkun Biochemical Technology Co., Ltd.	58
Shanghai GL Peptide Ltd.	55
Shanghai YuanYe Biotechnology Co., Ltd.	60

S-tert-Butylmercapto-l-cysteine Spectrum

S-tert-Butylmercapto-l-cysteine(30044-51-0)MS S-tert-Butylmercapto-l-cysteine(30044-51-0)IR1 S-tert-Butylmercapto-l-cysteine(30044-51-0)IR2

30044-51-0(S-tert-Butylmercapto-l-cysteine)Related Search:

L-Cysteine CYSTEINE FMOC-CYS(TBUTHIO)-OPFP FMOC-CYS(STBU)-OH 3-(TERT-BUTYLDITHIO)-2-(([1-(3,5-DIMETHOXYPHENYL)-1-METHYLETHOXY]CARBONYL)AMINO)PROPANOIC ACID

S-tert-Butylmercapto-l-cysteine BOC-S-TERT-BUTYLMERCAPTO-L-CYSTEINE,N-(tert-butoxycarbonyl)-S-tert-butylmercapto-L-cysteine D-PEN-GLY-PHE-PEN (D-PEN2,PEN5)-ENKEPHALIN AC-PEN-ARG-GLY-ASP-CYS-OH

1of2

S-T-BUTYLMERCAPTO-L-CYSTEINE S-T-BUTYLTHIO-L-CYSTEINE S-TERT-BUTYLMERCAPTO-L-CYSTEINE H-CYS(TBUS)-OH H-CYS(TBUTHIO)-OH H-CYS(STBU)-OH H-L-CYS(STBU)-OH CYSTEINE(STBU)-OH CYSTEINE DITHIO-T-BUTYL ESTER 3-(TERT-BUTYLDITHIO)-L-ALANINE CYSTEINE DITHIO-TERT-BUTYL ESTER S-TERT-BUT-CYS.HCL S-Tert-Butylmercapto-L-cystein 5-T-BUTYLMERCAPTO-L-CYSTEINE S-Thio-t-butyl-L-cysteine 3-(tert-Butyldithio)-L-alanine, S-(tert-Butylthio)-L-cysteine 3-(1,1-Dimethylethyldithio)-L-alanine Aids032862 Aids-032862 Nsc677546 (R)-2-aMino-3-(tert-butyldisulfanyl)propanoic acid L-Alanine, 3-[(1,1-dimethylethyl)dithio]- L-H-CYS(STBU)-OH S-tert-Butylthio-L-cysteine≥ 99% (TLC) (2R)-2-amino-3-(tert-butyldisulfanyl)propanoic acid S-TERT-BUTYLMERCAPTO-L-CYSTEINE USP/EP/BP S-tert-Butylmercapto-L-cysteine L-Cys(StBu)-OH S-TERT-BUTYLTHIO-L-CYSTEINE 30044-51-0 Amino Acid Derivatives Cysteine/Cystine Specialty Synthesis Peptide Synthesis Amino Acids