3,4-Diamino-2-pyridinol 3,4-Diamino-pyridin-2-ol 33631-02-6 A5979 CAS 33631-02-6
| CAS No. | 33631-02-6 |
| Molecular Formula | C5H7N3O |
| Molecular Weight | 125.13 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO manufactures 3,4-Diamino-2-pyridinol 3,4-Diamino-pyridin-2-ol 33631-02-6 A5979 under ISO 17034:2016 accreditation with dual CNAS and ANAB accreditation. Each batch is characterized by orthogonal methods and supplied with a full Certificate of Analysis (COA), ensuring metrological traceability.
CATO supplies 3,4-Diamino-2-pyridinol 3,4-Diamino-pyridin-2-ol 33631-02-6 A5979 (CAS 33631-02-6), a certified reference material (molecular formula C5H7N3O, MW 125.13 g/mol) for analytical method development and quality control.
Structurally, 3,4-Diamino-2-pyridinol 3,4-Diamino-pyridin-2-ol 33631-02-6 A5979 (C5H7N3O) contains an amide group, a hydroxyl group, an ether linkage. The molecule exhibits a degree of unsaturation (DBE) of 4.0, corresponding to approximately 4 ring(s) or double-bond equivalent(s). With a molecular weight of 125.13 g/mol, it falls into the low-molecular-weight range. The presence of an aromatic ring or conjugated system gives the compound characteristic absorption bands in the UV-Vis region, making it well suited to UV or diode-array detection (DAD).
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
Physical & Chemical Properties
| Molecular Formula | C5H7N3O |
| Molecular Weight | 125.13 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) | 4.0 |
| UV Absorption | UV-absorbing |
| CAS Registry Year (est.) | 1966 |
| Nitrogen Atoms | 3 |
Related Diamino Standards
- 4,5-Diamino-6-methylpyrimidine (CAS 22715-28-2)
- 5,6-Diamino-4-hydroxypyrimidine-13C,15N (CAS 1246820-56-3)
- 2,4-Diamino-6-hydroxypyrimidine-15N3 (CAS 1638736-04-5)
- 4,5-Diamino-6-hydroxypyrimidine (CAS 1672-50-0)
- 2,4-Diamino-6-Hydroxypyrimidine (CAS 195-66-4)
- 4,5-Diamino-1H-pyridazin-6-one (CAS 28682-73-7)
- 5,6-Diamino-1H-pyrimidin-2-one (CAS 23899-73-2)
- 1,3-Diamino-2-fluorobenzene (CAS 52033-96-2)
Recommended Standards
- (E)-5-methylfuran-2-carbaldehyde oxime 32750-36-0 5-Methyl-2-furaldehyde oxime (CAS 32750-36-0)
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- L-Cysteine-13C3,15N (CAS 202406-97-1)
- 2(3H)-Pyridinone, 3-(hydroxymethyl)- (9CI) 42330-61-0 (CAS 42330-61-0)
- Ethyl 3-(4-hydroxyphenyl)-1H-1,2,4-triazole-5-carboxylate (CAS 1416339-24-6)
- 2-(3-Bromophenyl)-2-methylpropanal (CAS 90433-17-3)
- 3-Bromo-5-((tert-butoxycarbonyl)amino)benzoic acid (CAS 1192474-20-6)
- 5-(4-Benzyloxyphenyl)picolinic acid (CAS 1261991-96-1)
- Ethyl 2-oxo-2-(3-(trifluoromethyl)phenyl)acetate (CAS 110193-60-7)
- 2,3,6-Trichloro-5-(trichloromethyl)pyridine (CAS 58584-80-8)
- 4-((2-Methoxyacridin-9-yl)amino)-N-(pyrimidin-2-yl)benzenesulfonamide (CAS 514831-93-7)
- (E)-Cilnidipine Impurity 14 (CAS CATO-C4X-179614)
- (1-(Thietan-3-ylamino)cyclopentyl)methanol (CAS 1862450-01-8)
- Des-Leu14-Tirzepatide (CAS CATO-CPTD788959)
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 18665070610 / Nicole.chen@cato-chem.com