4-Chloroisothiazolo[5,4-d]pyrimidine CAS 1483065-60-6
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 1483065-60-6 |
| Molecular Formula | C5H2ClN3S |
| Molecular Weight | 171.61 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
4-Chloroisothiazolo[5,4-d]pyrimidine (CAS 1483065-60-6) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C5H2ClN3S. Molecular weight: 171.61 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C5H2ClN3S |
| Molecular Weight | 171.61 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 |
| CAS Registry Year (est.) | 1992 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 3 |
| Sulfur Atoms | 1 |
Related Chloroisothiazolo Standards
- 3-Chloroisothiazolo[3,4-b]pyridine (CAS 42242-09-1)
- 3-Chloroisothiazolo[5,4-b]pyridine (CAS 913264-70-7)
- 7-Chloroisothiazolo[4,5-b]pyridine (CAS 2766230-58-2)
- 6-Chloroisothiazolo[5,4-b]pyridine-3-carboxylic acid (CAS 932702-35-7)
- Ethyl 7-chloroisothiazolo[4,3-d]pyrimidine-3-carboxylate (CAS 1250999-94-0)
Recommended Standards
- 7-Chlorothiazolo[4,5-d]pyrimidine (CAS 1353101-37-7)
- 5-Chlorothiazolo[4,5-d]pyrimidine (CAS 1535441-43-0)
- 7-Chlorothiazolo[5,4-d]pyrimidine (CAS 13316-12-6)
- 2-[3-(2-methoxyethyl)phenyl]-4,4,5,5-tetramethyl-1,3,2-dioxaborolane (CAS 1486485-55-5)
- N-[3-(Benzyloxy)phenyl]-2-bromoacetamide (CAS 947240-52-0)
- 4-methyl-2-[(3-methylpiperazin-1-yl)methyl]morpholine (CAS 1354952-01-4)
- 6-bromo-5-fluoro-1,2-dihydroquinazolin-2-one (CAS 1036756-06-5)
- 4,6-Dimethoxy-2-methylpyrimidine (CAS 13566-48-8)
- N-(4-(2-((3-(N,N-Dimethylsulfamoyl)phenyl)amino)-6H-1,3,4-thiadiazin-5-yl)phenyl)acetamide (CAS 795285-35-7)
- Des-Ser34-Gly33Tirzepatide (CAS CATO-CPTD788941)
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