Methyl 5-(methylthio)-3-oxo-2,3-dihydroisothiazole-4-carboxylate CAS 878477-22-6
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 878477-22-6 |
| Molecular Formula | C6H7NO3S2 |
| Molecular Weight | 205.25 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Methyl 5-(methylthio)-3-oxo-2,3-dihydroisothiazole-4-carboxylate (CAS 878477-22-6) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C6H7NO3S2. Molecular weight: 205.25 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C6H7NO3S2 |
| Molecular Weight | 205.25 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in methanol, ethanol, DMSO, water |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 4.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1987 |
| Nitrogen Atoms | 1 |
| Sulfur Atoms | 2 |
Related Methyl Standards
- [2-(Methylthio)-4-oxo-4,5-dihydro-1,3-thiazol-5-yl]acetic acid (CAS 1142201-30-6)
- Methyl (5-(methylthio)-1,2,4-thiadiazol-3-yl)carbamate (CAS 101848-19-5)
- 4-(Methylthio)-N-(prop-2-yn-1-yl)benzamide (CAS 1090340-67-2)
- 1-Methyl-5-(methylthio)-3-phenyl-1H-1,2,4-triazole (CAS 50369-47-6)
- 2-Methyl-5-(methylthio)quinolin-8-ol (CAS 73113-04-9)
- 2-Methyl-8-(methylthio)quinolin-4-ol (CAS 63010-46-8)
- 3-(3-(Methylthio)phenyl)-1H-pyrazol-5-amine (CAS 2169350-90-5)
- 3-Methyl-5-(methylthio)-4-phenyl-4H-1,2,4-triazole (CAS 40279-27-4)
Recommended Standards
- Methyl 4-phenylpyrrolidine-3-carboxylate (CAS 939758-05-1)
- Methyl 5-amino-5,6,7,8-tetrahydronaphthalene-1-carboxylate (CAS 774518-42-2)
- Methyl 4-amino-5,6,7,8-tetrahydronaphthalene-1-carboxylate (CAS 444913-37-5)
- (E)-3-Hydroxyhex-4-enoic acid (CAS 81357-32-6)
- 2-(Methylsulfonyl)-5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)benzonitrile (CAS 1628473-27-7)
- 1081658-09-4 1-{[5-(4-Fluorophenyl)-1,2,4-oxadiazol-3-yl]methyl}piperazine MFCD12741841 (CAS 1081658-09-4)
- 4-Methoxy-5-methyl-2,3-dihydro-1H-inden-1-one (CAS 1033811-69-6)
- 1-((2-Thioxoazepan-1-yl)methyl)pyrrolidin-2-one (CAS 157439-26-4)
- Ethyl 5-bromo-6-methyl-1H-indole-2-carboxylate (CAS 1352885-01-8)
- Peptide Impurity 09 X TFA Salt (CAS CATO-CPTD788809)
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