9H-Pyrimido[4,5-b]indole CAS 5059-31-4
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 5059-31-4 |
| Molecular Formula | C10H7N3 |
| Molecular Weight | 169.18 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO supplies 9H-Pyrimido[4,5-b]indole (CAS 5059-31-4), a pharmaceutical standards reference standard manufactured under ISO 17034 accreditation. Molecular formula: C10H7N3. Molecular weight: 169.18 g/mol. Batch-specific COA and technical support are available on request.
Physical & Chemical Properties
| Molecular Formula | C10H7N3 |
| Molecular Weight | 169.18 g/mol |
| Appearance | Pale yellow to yellow crystalline powder. (faint amine-like odor) |
| 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) | 9.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1958 |
| Nitrogen Atoms | 3 |
Related H Standards
- Pyrimido[4,5-d]pyridazine-2,4(1H,3H)-dione (CAS 17257-96-4)
- 1H-pyrimido[4,5-d]pyrimidine-2,4-dione (CAS 89891-00-9)
- 2H-Pyrimido[2,1-c][1,2,4]triazine-4-thiol (CAS 130314-21-5)
- Pyrimido[5,4-e][1,2,4]triazine-5,7(6H,8H)-dione (CAS 19359-69-4)
- Pyrimido[4,5-c]pyridazine-5,7(1H,6H)-dione (CAS 20886-77-5)
- pyrimido[4,5-d][1,3]diazine-4-thiol (CAS 6014-08-0)
- Pyrimido[4,5-e][1,2,4]triazine-3,6,8(2H,5H,7H)-trione (CAS 13538-84-6)
- Pyrimido[4,5-d]pyrimidin-4(3H)-one (CAS 7403-26-1)
Recommended Standards
- 8-Oxa-2-azaspiro[4.5]decane-1,3-dione (CAS 90607-23-1)
- 9H-Pyrrolo[2,3-b:5,4-c']dipyridine (CAS 7266-32-2)
- 8-Hydroxynaphthalene-2-carbonitrile (CAS 478929-30-5)
- 2-(3-Chlorophenyl)-1,3-thiazole-4-carboxylic acid (CAS 845885-82-7)
- (1-ethylazetidin-3-yl)methanol (CAS 1480536-66-0)
- (4aR,10aS)-6-Bromo-10a-(2,4-difluorophenyl)-9-methoxy-4a,5,10,10a-tetrahydro-4H-[1,3]thiazino[5,4-g]isoquinolin-2-amine (CAS 2244036-47-1)
- Tofacitinib Citrate (CAS 540737-29-9)
- 5-amino-2-methoxy-N-(oxolan-3-yl)benzene-1-sulfonamide (CAS 1540739-79-4)
- Potassium Peroxymonosulfate Sulfate (CAS 37222-66-5)
- Semaglutide Impurity 183 (CAS 159541-28-3)
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