ChemicalBook >> CAS DataBase List >>3-Mercaptoisobutyric acid

3-Mercaptoisobutyric acid

CAS No.
26473-47-2
Chemical Name:
3-Mercaptoisobutyric acid
Synonyms
3-MERCAPTO-2-METHYLPROPANOIC ACID;EP-C IMPURITY;Captopril impurity C;Captopril EP IMpurity C;Captopril impurity C CRS;3-Mercaptoisobutyric acid;3-MercaptoisobutyricAcid>Captopril impurity C (Y0001220);2-methyl-3-sulfanylpropanoicaci;2-(Mercaptomethyl)propanoic acid
CBNumber:
CB6724872
Molecular Formula:
C4H8O2S
Molecular Weight:
120.17
MDL Number:
MFCD00671555
MOL File:
26473-47-2.mol
MSDS File:
SDS
TDS File:
TDS
Last updated:2026-09-12 18:54:22

3-Mercaptoisobutyric acid Properties

Boiling point 122°C 12mm
Density 1,15 g/cm3
refractive index 1.4820 to 1.4860
FLAVIS Number 12.135 | 3-Mercapto-2-methylpropionic acid
storage temp. Sealed in dry,Store in freezer, under -20°C
solubility Chloroform (Slightly), DMSO (Slightly), Ethyl Acetate (Slightly), Methanol
pka 4.41±0.10(Predicted)
form liquid
color Colourless to Pale Yellow
Major Application pharmaceutical (small molecule)
InChI 1S/C4H8O2S.Na/c1-3(2-7)4(5)6;/h3,7H,2H2,1H3,(H,5,6);/q;+1/p-1
InChIKey FOTPRJUNQGWLCM-UHFFFAOYSA-M
SMILES [Na+].SCC(C)C(=O)[O-]
LogP 0.733 (est)
CAS DataBase Reference 26473-47-2(CAS DataBase Reference)
FDA UNII V3E4016VAS
UNSPSC Code 41116107
NACRES NA.24

SAFETY

Risk and Safety Statements

Symbol(GHS)  Corrosion (GHS05)Skull and Crossbones (GHS06)
GHS05,GHS06
Signal word  Danger
Hazard statements  H290-H301-H314-H332
Precautionary statements  P234-P260-P280-P303+P361+P353-P304+P340+P310-P305+P351+P338
Hazard Codes  Xi
Risk Statements  36/37/38-36/38
Safety Statements  26-36/37/39
WGK Germany  WGK 3
HS Code  2930909899
Storage Class 6.1C - Combustible acute toxic Cat.3
toxic compounds or compounds which causing chronic effects
Hazard Classifications Acute Tox. 3 Oral
Acute Tox. 4 Inhalation
Eye Dam. 1
Met. Corr. 1
Skin Corr. 1B

3-Mercaptoisobutyric acid price More Price(34)

Manufacturer Product number Product description CAS number Packaging Price Updated Buy
Sigma-Aldrich Y0001220 Captopril impurity C European Pharmacopoeia (EP) Reference Standard 26473-47-2 15 mg $167 2026-04-30 Buy
Sigma-Aldrich Y0001220 Captopril impurity C European Pharmacopoeia (EP) Reference Standard 26473-47-2 y0001220 $153 2024-03-01 Buy
TCI Chemical M1200 3-Mercaptoisobutyric Acid >98.0%(GC)(T) 26473-47-2 5g $141 2023-06-20 Buy
TCI Chemical M1200 3-Mercaptoisobutyric Acid >98.0%(GC)(T) 26473-47-2 25g $409 2025-07-31 Buy
Usbiological M2952-51 3-Mercapto-2-Methylpropanoic Acid 26473-47-2 1g $446 2026-06-03 Buy
Product number Packaging Price Buy
Y0001220 15 mg $167 Buy
Y0001220 y0001220 $153 Buy
M1200 5g $141 Buy
M1200 25g $409 Buy
M2952-51 1g $446 Buy

3-Mercaptoisobutyric acid Chemical Properties,Uses,Production

Chemical Properties

Pale Yellow Oil

Uses

3-Mercaptoisobutyric Acid can be used as a usefule synthetic intermediate.

Uses

3-Mercapto-2-methylpropanoic Acid (Captopril EP Impurity C) is a useful synthetic intermediate.

3-Mercaptoisobutyric acid Preparation Products And Raw materials

Global( 136)Suppliers
Supplier Tel Email Country ProdList Advantage
J & K SCIENTIFIC LTD. 18210857532 18210857532 jkinfo@jkchemical.com China 96815 76
3B Pharmachem (Wuhan) International Co.,Ltd. 18930552037 3bsc@sina.com China 15813 69
TCI (Shanghai) Development Co., Ltd. 021-67121386 Sales-CN@TCIchemicals.com China 24512 81
Beijing Ouhe Technology Co., Ltd 13552068683 13522913783 2355560935@qq.com China 11777 60
Adamas Reagent, Ltd. 400-6009262 15618770481 yhx@titansci.com China 14098 59
Chemsky(shanghai)International Co.,Ltd. 021-50135380 shchemsky@sina.com China 32273 50
TOKYO CHEMICAL INDUSTRY CO., LTD. 03-36680489 Sales-JP@TCIchemicals.com Japan 28364 80
TCI Europe 320-37350700 sales@tcieurope.eu Europe 23654 75
TCI AMERICA 800-4238616 sales@tciamerica.com Americas 23636 75
9ding chemical ( Shanghai) Limited 4009209199 sales@9dingchem.com China 22497 55

View Lastest Price from 3-Mercaptoisobutyric acid manufacturers

Image Update time Product Price Min. Order Purity Supply Ability Manufacturer
3-MERCAPTOISOBUTYRIC ACID pictures 2026-06-30 3-MERCAPTOISOBUTYRIC ACID
26473-47-2
1KG 98% 1000kgs Shaanxi Dideu New Materials Co. Ltd
2-Methyl-3-sulfanylpropanoic acid Captopril EP IMpurity C 3-Mercaptoisobutyric Acid, 98.0%(GC&T Captopril impurity C Captopril Impurity 3(Captopril EP Impurity C) 2-(Mercaptomethyl)propanoic acid 3-MERCAPTO-2-METHYLPROPIONIC ACID 3-MERCAPTOISOBUTYRIC ACID (BETA-) 98+% Propanoic acid, 3-mercapto-2-methyl- Captopril impurity C CRS (2RS)-2-Methyl-3-sulfanyl-propanoic 3-MercaptoisobutyricAcid> 3-Mercaptoisobutyric AcidQ: What is 3-Mercaptoisobutyric Acid Q: What is the CAS Number of 3-Mercaptoisobutyric Acid Q: What is the storage condition of 3-Mercaptoisobutyric Acid Q: What are the applications of 3-Mercaptoisobutyric Acid Captopril impurity C (Y0001220) EP-C IMPURITY 2-methyl-3-sulfanylpropanoicaci 3-Mercaptoisobutyric Acid, ≥ 98.0% (2RS)-2-Methyl-3-sulfanyl-propanoic Acid 3-MERCAPTO-2-METHYLPROPANOIC ACID 3-Mercaptoisobutyric acid 26473-47-2 Intermediates & Fine Chemicals Pharmaceuticals Sulfur & Selenium Compounds