2-Chloro-5-methylthieno[2,3-d]pyrimidin-4(1H)-one CAS 56844-37-2
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 56844-37-2 |
| Molecular Formula | C7H5ClN2OS |
| Molecular Weight | 200.65 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Order 2-Chloro-5-methylthieno[2,3-d]pyrimidin-4(1H)-one (CAS 56844-37-2) pharmaceutical standards reference standard from CATO: ISO 17034 accredited producer, 130,000+ catalog items in stock. Molecular formula: C7H5ClN2OS. Molecular weight: 200.65 g/mol. COA included with every batch.
Physical & Chemical Properties
| Molecular Formula | C7H5ClN2OS |
| Molecular Weight | 200.65 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 6.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1973 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 2 |
| Sulfur Atoms | 1 |
Related Chloro Standards
- 3-Chloro-6-(methylthio)-1H-pyrazolo[3,4-d]pyrimidine (CAS 100859-88-9)
- 2-Chloro-5-methoxy-[1,3]thiazolo[5,4-b]pyridine (CAS 1196154-04-7)
- 6-Chloro-2-(methylthio)oxazolo[5,4-b]pyridine (CAS 1206716-60-0)
- 7-Chloro-2-methylthiazolo[5,4-d]pyrimidin-5-amine (CAS 1211584-94-9)
- 2-Chloro-7-methylthieno[3,2-d]pyrimidin-4(1H)-one (CAS 1265593-71-2)
- 4-Chloro-3-(methylthio)-1H-pyrazolo[3,4-d]pyrimidine (CAS 130224-66-7)
- 2-Chloro-6-methylthieno[3,2-d]pyrimidin-4(3H)-one (CAS 1429629-67-3)
- 7-Chloro-5-(methylthio)-1H-pyrazolo[4,3-d]pyrimidine (CAS 1435806-45-3)
Recommended Standards
- 2-Amino-7-chlorobenzo[d]thiazol-4-ol (CAS 98273-04-2)
- 2-Chloro-7-methyl-1H-purine-6(7H)-thione (CAS 53050-28-5)
- 2-(Chloromethyl)-5-(thiophen-2-yl)-1,3,4-oxadiazole (CAS 727374-87-0)
- Tert-butyl 4-amino-4-(hydroxymethyl)piperidine-1-carboxylate hydrochloride (CAS 1956354-74-7)
- 2,6-Dichloro-N'-[4-(trifluoromethoxy)phenyl]benzohydrazide (CAS 338402-89-4)
- 2-Chloro-n-{[4-(ethoxymethyl)phenyl]methyl}acetamide (CAS 1311314-43-8)
- Methyl (3-methylbenzoyl)glycinate (CAS 1208-15-7)
- 3-((S)-2-Amino-3-methyl-butyrylamino)-piperidine-1-carboxylic acid tert-butyl ester (CAS 1354025-96-9)
- (5-(2,4-Difluorophenyl)isoxazol-3-yl)methanamine hydrochloride (CAS 1351582-61-0)
- Acetyl Dipeptide-1 (CAS 196604-48-5)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
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