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
| 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) | ![]() ![]() 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 |
3-Mercaptoisobutyric acid Preparation Products And Raw materials
Raw materials
Preparation Products
Global( 136)Suppliers
| Supplier | Tel | 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 | |
|---|---|---|---|---|---|---|---|---|
![]() |
2026-06-30 | 3-MERCAPTOISOBUTYRIC ACID
26473-47-2
|
1KG | 98% | 1000kgs | Shaanxi Dideu New Materials Co. Ltd |
-

- 3-MERCAPTOISOBUTYRIC ACID
26473-47-2
- $0.00
- 98%
- Shaanxi Dideu New Materials Co. Ltd
26473-47-2(3-Mercaptoisobutyric acid)Related Search:
(R)-(+)-3-(Acetylthio)isobutyric acid methyl ester
3-Mercaptoisobutyric acid
(S)-β-(Acetylmercapto)isobutyric acid, D-(-)-S-Acetyl-β-mercaptoisobutyric acid
2-Mercaptoisobutyric acid
Methyl 4-oxotetrahydrothiophene-3-carboxylate
Leucoson
(S)-(-)-3-(Benzoylthio)-2-methylpropanoic acid
ecteinascidin 743
3-Acetylthio-2-methylpropanoic acid
Methyl tetrahydro-4-oxo-2H-thiopyran-3-carboxylate
1of4
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






