(S)-4-(Methylthio)-2-(quinazolin-4-ylamino)butanoic acid CAS 55040-15-8
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 55040-15-8 |
| Molecular Formula | C13H15N3O2S |
| Molecular Weight | 277.34 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO supplies (S)-4-(Methylthio)-2-(quinazolin-4-ylamino)butanoic acid (CAS 55040-15-8), a pharmaceutical standards reference standard manufactured under ISO 17034 accreditation. Molecular formula: C13H15N3O2S. Molecular weight: 277.34 g/mol. Batch-specific COA and technical support are available on request.
Physical & Chemical Properties
| Molecular Formula | C13H15N3O2S |
| Molecular Weight | 277.34 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 8.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1972 |
| Nitrogen Atoms | 3 |
| Sulfur Atoms | 1 |
Related S Standards
- 3-(2-Methyl-4-(4-(methylthio)phenyl)oxazol-5-yl)propanoic acid (CAS 89150-28-7)
- 2-[(Methylthio)(2-nitrophenylthio)methylene]malononitrile (CAS 214330-81-1)
- 2-[(Methylthio)(3-nitrophenylthio)methylene]malononitrile (CAS 214330-83-3)
- N4-(2-(Methylthio)phenyl)-5-nitropyrimidine-4,6-diamine (CAS 450345-11-6)
- 3,7-Bis(methylthio)dibenzo[b,d]thiophene (CAS 185540-18-5)
- 2-Methyl-3-(methylthio)-4-(trifluoromethyl)-3,5-dihydro-1H-pyrrolo[3,4-c]pyridine-1,6(2H)-dione (CAS 1269533-32-5)
- 3-Methyl-2-(methylthio)-5-nitro-6-(pyridin-4-yl)pyrimidin-4(3H)-one (CAS 831231-60-8)
- 2-(Methylthio)-5-(phenylthio)pyrimidine-4-carboxylic acid (CAS 61727-07-9)
Recommended Standards
- (5Z)-5-[(Dimethylamino)methylidene]-3-(4-methoxyphenyl)-2-sulfanylideneimidazolidin-4-one (CAS 320422-89-7)
- 1-(2-(3,4-Dimethoxyphenyl)-4-methylthiazol-5-yl)ethan-1-one (CAS 478257-80-6)
- (2-Methyl-5,6,7,8-tetrahydro-benzo[4,5]thieno-[2,3-d]pyrimidin-4-ylamino)-acetic acid (CAS 878709-00-3)
- (4s)-4-Amino-3,4-dihydro-2h-1lambda6-benzothiopyran-1,1-dione hydrochloride (CAS 1423040-73-6)
- N1-Isopropyl-N1-(4-(methylthio)benzyl)ethane-1,2-diamine (CAS 1353959-16-6)
- 5-Amino-1H-pyrrolo[2,3-b]pyridine-6-carbonitrile (CAS 1260382-65-7)
- 3-(2-Aminoethyl)-5-methoxy-1-methyl-1H-indole-2-carboxylic acid (CAS 883544-70-5)
- N-Isobutyl-4-oxo-1,4-dihydroquinazoline-7-carboxamide (CAS 1092460-55-3)
- 3-Chloro-6-methylpyridin-2-amine (CAS 56960-77-1)
- Semaglutide impurity 289 (CAS CATO-C4X-2226289)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
- Worldwide shipping with full export documentation (HS code guidance available)
- Technical support: +86 13829788188 / jacky.chen@cato-chem.com