Isothiazolo[4,3-d]pyrimidine-3-carboxylic acid CAS 1367972-24-4
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 1367972-24-4 |
| Molecular Formula | C6H3N3O2S |
| Molecular Weight | 181.17 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO supplies Isothiazolo[4,3-d]pyrimidine-3-carboxylic acid (CAS 1367972-24-4), a pharmaceutical standards reference standard manufactured under ISO 17034 accreditation. Molecular formula: C6H3N3O2S. Molecular weight: 181.17 g/mol. Batch-specific COA and technical support are available on request.
Physical & Chemical Properties
| Molecular Formula | C6H3N3O2S |
| Molecular Weight | 181.17 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 7.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1991 |
| Nitrogen Atoms | 3 |
| Sulfur Atoms | 1 |
Related Isothiazolo Standards
- N-(Isothiazolo[4,5-b]pyrazin-3-yl)formamide (CAS 92914-69-7)
- Isothiazolo[5,4-b]pyridin-3(2H)-one 1,1-Dioxide (CAS 138417-40-0)
- Isothiazolo[5,4-c]pyridin-3(2H)-one 1,1-Dioxide (CAS 142141-07-9)
- Isothiazolo[5,4-b]quinoline (CAS 51925-54-3)
- Isothiazolo[5,4-b]quinolin-3-amine (CAS 69513-37-7)
- Isothiazolo[5,4-d]pyrimidin-4-ol (CAS 1498711-48-0)
- Isothiazolo[4,5-b]pyrazin-3-amine (CAS 92914-68-6)
- Isothiazolo[5,4-b]pyridin-3-ol (CAS 4337-60-4)
Recommended Standards
- 5-Nitrobenzo[d][1,2,3]thiadiazole (CAS 13599-78-5)
- 5-FLUORO-6-METHOXY-1H-INDAZOL-3-AMINE (CAS 1394069-10-3)
- 7-Fluoro-6-methoxy-1H-indazol-3-amine (CAS 1279842-87-3)
- 2,6-Difluoro-N-methoxy-N-methyl-4-(trifluoromethyl)benzamide (CAS 1980040-18-3)
- (E)-4-ethoxybenzaldehyde O-(4-chlorobenzoyl) oxime (CAS 297150-20-0)
- 2-[1-(difluoromethyl)-1H-benzimidazol-2-yl]-1-(3,4,5-trimethoxyphenyl)ethanone (CAS 885524-53-8)
- 7-Chloro-11-(4-chloro-3-nitrophenyl)-3,3-dimethyl-2,3,4,5,10,11-hexahydro-1H-dibenzo[b,e][1,4]diazepin-1-one (CAS 946386-89-6)
- 1-Chloro-5-(ethylsulfonyl)-2-methylpentane (CAS 1490921-53-3)
- 4-(Piperidin-4-ylmethyl)phenol (CAS 66414-17-3)
- Fragment-[3-31]-Semaglutide (CAS CATO-C4X-2226113)
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