Isothiazolo[3,4-d]pyrimidine CAS 14521-32-5
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 14521-32-5 |
| Molecular Formula | C5H3N3S |
| Molecular Weight | 137.16 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO supplies Isothiazolo[3,4-d]pyrimidine (CAS 14521-32-5), a pharmaceutical standards reference standard manufactured under ISO 17034 accreditation. Molecular formula: C5H3N3S. Molecular weight: 137.16 g/mol. Batch-specific COA and technical support are available on request.
Physical & Chemical Properties
| Molecular Formula | C5H3N3S |
| Molecular Weight | 137.16 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| Stability | Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 6.0 |
| UV Absorption | UV-absorbing |
| CAS Registry Year (est.) | 1961 |
| Nitrogen Atoms | 3 |
| Sulfur Atoms | 1 |
Related Isothiazolo Standards
- Isothiazolo[4,3-d]pyrimidine (CAS 7130-83-8)
- Isothiazolo[4,5-d]pyrimidine (CAS 7078-51-5)
- Isothiazolo[5,4-d]pyrimidine (CAS 272-26-4)
- Isothiazolo[5,4-b]pyridine (CAS 4767-80-0)
- Isothiazolo[4,5-c]pyridin-3-amine (CAS 1367990-09-7)
- Isothiazolo[3,4-c]pyridin-3-amine (CAS 150364-74-2)
- Isothiazolo[5,4-c]pyridin-3-amine (CAS 150364-77-5)
- Isothiazolo[4,3-b]pyridin-3-ylamine (CAS 42242-13-7)
Recommended Standards
- Oxetane-3-sulfonamide (CAS 1335234-13-3)
- 4-Ethynylthiazole-2-carbaldehyde (CAS 1566737-82-3)
- 2-Ethynylthiazole-4-carbaldehyde (CAS 1211537-62-0)
- S-(+)-Manidipine-d4 (CAS 1217836-12-8)
- 4-Iodothiophene-3-carbaldehyde (CAS 18799-84-3)
- Metabromsalon (CAS 2577-72-2)
- (2-(Allylamino)-4-aminothiazol-5-yl)(4-fluorophenyl)methanone (CAS 339019-99-7)
- tert-Butyl 3-(bromomethyl)bicyclo[1.1.1]pentane-1-carboxylate (CAS 138732-34-0)
- n1-(Cyclopropylmethyl)-n1-propylethane-1,2-diamine (CAS 1156386-34-3)
- Liraglutide Impurity 13 TFA Salt (CAS CATO-C4X-199213)
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