(5E)-5-(2-Hydroxy-3-methoxybenzylidene)-2-mercapto-1,3-thiazol-4(5H)-one 4739AF 99972-65-3 C11H9NO3S2 CAS 99972-65-3
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 99972-65-3 |
| Molecular Formula | C11H9NO3S2 |
| Molecular Weight | 267.32 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
(5E)-5-(2-Hydroxy-3-methoxybenzylidene)-2-mercapto-1,3-thiazol-4(5H)-one 4739AF 99972-65-3 C11H9NO3S2 (CAS 99972-65-3) is a high-purity pharmaceutical standards reference standard from CATO, an ISO 17034 accredited reference material producer. Molecular formula: C11H9NO3S2. Molecular weight: 267.32 g/mol. Each batch is supplied with a Certificate of Analysis (COA).
Physical & Chemical Properties
| Molecular Formula | C11H9NO3S2 |
| Molecular Weight | 267.32 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in methanol, ethanol, DMSO |
| 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.) | 1985 |
| Nitrogen Atoms | 1 |
| Sulfur Atoms | 2 |
Related E Standards
- 5-hydroxy-2-(2-methylbenzyl)-3,4-dihydroisoquinolin-1(2h)-one (CAS 1105194-07-7)
- 5-Hydroxy-2-(3-methylbenzyl)-3,4-dihydroisoquinolin-1(2H)-one (CAS 1105196-17-5)
- (3'-Hydroxy-[1,1'-biphenyl]-2-yl)(pyrrolidin-3-yl)methanone (CAS 1261944-77-7)
- (4'-Hydroxy-[1,1'-biphenyl]-2-yl)(pyrrolidin-3-yl)methanone (CAS 1261947-62-9)
- (2'-Hydroxy-[1,1'-biphenyl]-3-yl)(pyrrolidin-1-yl)methanone (CAS 1261965-79-0)
- 5-(2-Hydroxy-5-methoxybenzylidene)-2-thioxothiazolidin-4-one (CAS 127378-32-9)
- 4-Hydroxy-4-(1H-imidazol-4-yl)piperidine-1-carboxylic acid tert-butyl ester (CAS 173469-30-2)
- (Z)-5-(2-Hydroxy-5-methoxybenzylidene)-2-thioxothiazolidin-4-one (CAS 2015213-69-9)
Recommended Standards
- 3-Amino-3-(3-ethoxy-4-isopropoxyphenyl)-propanoic acid 696645-82-6 8323AE C14H21NO4 (CAS 696645-82-6)
- 4'-morpholino-[1,1'-biphenyl]-4-carbaldehyde (CAS 893739-03-2)
- 69505-47-1 (5E)-5-[(3-Hydroxy-4-methoxyphenyl)methylidene]-2-sulfanylidene-1,3-thiazolidin-4-one DTXSID70362480 (CAS 69505-47-1)
- 4-(Naphthalen-2-yl)butan-1-amine (CAS 2017-60-9)
- 1,8-Diethyl-1,3,4,9-tetrahydro-4-oxo-pyrano[3,4-β]indole-1-acetic Acid Methyl Ester (CAS 111478-84-3)
- 3-Amino-1-(cyclobutylmethyl)pyridin-2(1h)-one (CAS 1495843-59-8)
- 2-Hydroxy-N-(4-methoxy-2-methylphenyl)-11H-benzo[a]carbazole-3-carboxamide (CAS 5840-22-2)
- (R)-3-(2-Amino-2-tert-butoxycarbonyl-ethyl)-benzoic acid methyl ester hydrochloride (CAS 2376144-35-1)
- Propyl 3-aminopropanoate (CAS 145613-45-2)
- Semaglutide impurity 76 (CAS CATO-C4X-222676)
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