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Boc-Cys(tBu)-OH

CAS No.
56976-06-8
Chemical Name:
Boc-Cys(tBu)-OH
Synonyms
Boc-S-tert-butyl-L-cysteine;BOC-CYS(BUT);boc-cys(tbu);BOC-CYS(BUT)-OH;Boc-Cys(tBu)-OH;BOC-L-CYS(TBU)-OH;Boc-L-Cys(tBu)-0H;BOC-(S)-T-BUTYL-L-CYS;BOC-(S)-TERT-BUTYL-L-CYS;BOC-S-T-BUTYL-L-CYSTEINE
CBNumber:
CB0727073
Molecular Formula:
C12H23NO4S
Molecular Weight:
277.38
MDL Number:
MFCD00076918
MOL File:
56976-06-8.mol
MSDS File:
SDS
TDS File:
TDS
Last updated:2026-09-12 18:48:28

Boc-Cys(tBu)-OH Properties

Boiling point 412.641±40.00 °C(Press: 760.00 Torr)(predicted)
Density 1.119±0.06 g/cm3(Temp: 25 °C; Press: 760 Torr)(predicted)
storage temp. Sealed in dry,Store in freezer, under -20°C
solubility Soluble in Chloroform,Dichloromethane,Ethyl Acetate,DMSO,Acetone,etc.
form Solid
pka 3.605±0.10(predicted)
color White to off-white
CAS DataBase Reference 56976-06-8

SAFETY

Risk and Safety Statements

Symbol(GHS)  Exclamation Mark (GHS07)
GHS07
Signal word  Warning
Hazard statements  H315-H319-H335
Precautionary statements  P261-P305+P351+P338
Safety Statements  24/25
HazardClass  IRRITANT
NFPA 704
1
0 0

Boc-Cys(tBu)-OH price More Price(59)

Manufacturer Product number Product description CAS number Packaging Price Updated Buy
Usbiological 265003 Boc-S-tert-butyl-L-cysteine Asreported 56976-06-8 10g $363 2026-06-03 Buy
Usbiological 265003 Boc-S-tert-butyl-L-cysteine Asreported 56976-06-8 25g $549 2026-06-03 Buy
Usbiological 265003 Boc-S-tert-butyl-L-cysteine Asreported 56976-06-8 50g $758 2026-06-03 Buy
Usbiological 265003 Boc-S-tert-butyl-L-cysteine Asreported 56976-06-8 100g $1050 2026-06-03 Buy
Usbiological 236698 Boc-S-tert-butyl-L-cysteine 99+% ≥99% 56976-06-8 1g $156 2026-06-03 Buy
Product number Packaging Price Buy
265003 10g $363 Buy
265003 25g $549 Buy
265003 50g $758 Buy
265003 100g $1050 Buy
236698 1g $156 Buy

Boc-Cys(tBu)-OH Chemical Properties, Uses, Production

Chemical Properties

White to off-white powder

Uses

Boc-Cys(tBu)-OH, is a Cystine derivative, used in various chemical synthesis and peptide chemistry.

Boc-Cys(tBu)-OH Preparation Products And Raw materials

Raw materials

Preparation Products

Global Suppliers ( 93)
Supplier Tel Email Country ProdList Advantage
J & K SCIENTIFIC LTD. 18210857532 18210857532 jkinfo@jkchemical.com China 96815 76
Meryer (Shanghai) Chemical Technology Co., Ltd. 4006356688 18621169109 market03@meryer.com China 40202 62
Alfa Aesar 400-6106006 saleschina@alfa-asia.com China 30103 84
Shanghai Hanhong Scientific Co.,Ltd. 021-54306202 13764082696 info@hanhongsci.com China 42917 64
China DongFan Chemical Co.,LTD 86-0571-85151182 China 5681 66
Shandong Xiya Chemical Co., Ltd 13355009207 13355009207 3007715519@qq.com China 18722 57
ChemPep, Inc. +1 (888) 615-9178 / (561) 791-8787 service@chempep.com United States 2138 57
9ding chemical ( Shanghai) Limited 4009209199 sales@9dingchem.com China 18201 56
Amatek Scientific Co. Ltd. 0512-56316828 4008675858 sales@amateksci.com China 9848 55
Bide Pharmatech Ltd. 400-164-7117 18317119277 product02@bidepharm.com China 40000 60

View Latest Price from Boc-Cys(tBu)-OH manufacturers

Image Update time Product Price Min. Order Purity Supply Ability Manufacturer
BOC-CYS(TBU)-OH pictures 2020-01-13 BOC-CYS(TBU)-OH
56976-06-8
$3.00 1KG 98% 200KG Career Henan Chemical Co

Boc-Cys(tBu)-OH Spectrum

N-Boc-S-tert-butyl-L-cysteine Boc-(R)-2-amino-3-(S-tert-butylthio)butanoic acid Boc-S-tert-butyl-L-cysteine≥ 99% (HPLC) T-BUTYLOXYCARBONYL-S-T-BUTYL-L-CYSTEINE N-ALPHA-T-BUTYLOXYCARBONYL-S-T-BUTYL-L-CYSTEINE N-ALPHA-T-BUTOXYCARBONYL-S-T-BUTYL-L-CYSTEINE N-ALPHA-TERT-BUTYLOXYCARBONYL-S-TERT-BUTYL-L-CYSTEINE BOC-(S)-T-BUTYL-L-CYS BOC-S-T-BUTYL-L-CYSTEINE BOC-(S)-TERT-BUTYL-L-CYS BOC-(R)-2-AMINO-3-(S-T-BUTYLTHIO)BUTANOIC ACID BOC-CYS(BUT) BOC-CYS(BUT)-OH BOC-L-CYS(TBU)-OH N-tert-Butoxycarbonyl-S-tert-butyl-L-cysteine (Tert-Butoxy)Carbonyl Cys(tBu)-OH (R)-2-((tert-Butoxycarbonyl)amino)-3-(tert-butylthio)propanoicacid (2R)-2-{[(tert-butoxy)carbonyl]amino}-3-(tert-butylsulfanyl)propanoic acid L-Cysteine, N-[(1,1-dimethylethoxy)carbonyl]-S-(1,1-dimethylethyl)- Boc-Cys(tBu)-OH(non-animal) N-Boc-S-tert-butyl-L-cysteine,98% BOC-CYS(TBU)-OH USP/EP/BP boc-cys(tbu) Boc-L-Cys(tBu)-0H Boc-S-tert-butyl-L-cysteine Boc-Cys(tBu)-OH 56976-06-8 Amino Acids