3-Amino-4,7-dihydroxy-8-methyl-2H-chromen-2-one CAS 56971-02-9
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 56971-02-9 |
| Molecular Formula | C10H9NO4 |
| Molecular Weight | 207.18 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
3-Amino-4,7-dihydroxy-8-methyl-2H-chromen-2-one (CAS 56971-02-9) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C10H9NO4. Molecular weight: 207.18 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C10H9NO4 |
| Molecular Weight | 207.18 g/mol |
| Appearance | Off-white to pale yellow crystalline powder. (faint amine-like odor) |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in methanol, ethanol, DMSO |
| 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.) | 1973 |
| Nitrogen Atoms | 1 |
Related Amino Standards
- 3-Amino-7-hydroxy-8-methoxy-2H-chromen-2-one (CAS 110175-79-6)
- 5-Amino-7-methoxy-1-benzofuran-2-carboxylic acid (CAS 1159877-54-9)
- 3-Amino-5-methoxybenzofuran-2-carboxylic acid (CAS 1554618-08-4)
- Methyl 6-amino-5-hydroxybenzofuran-2-carboxylate (CAS 155587-71-6)
- 3-Amino-5-(2,3-dihydroxyphenyl)furan-2(5H)-one (CAS 372510-79-7)
- Methyl 5-amino-7-hydroxybenzofuran-2-carboxylate (CAS 199280-09-6)
- 5-[(3-amino-1h-pyrazol-1-yl)methyl]furan-2-carboxylic acid (CAS 1006348-95-3)
- Ethyl 5-amino-[1,2,4]triazolo[4,3-a]pyrimidine-6-carboxylate (CAS 107832-95-1)
Recommended Standards
- 3-Allyl-2-hydroxy-5-nitrobenzaldehyde (CAS 22037-27-0)
- 3-[(2-hydroxyphenyl)carbamoyl]prop-2-enoic acid (CAS 83549-07-9)
- 4-(2,4-Difluorophenyl)pyrimidin-2-amine (CAS 874779-68-7)
- 3-AMino-5-bromo-thiophene-2-carboxylic acid methyl ester HCl (CAS 1820607-06-4)
- 3-((4-Bromo-1H-pyrazol-1-yl)methoxy)pyridine (CAS 1708170-00-6)
- N-(5-Methylisoxazol-3-yl)-2,3-dihydrobenzo[b][1,4]dioxine-2-carboxamide (CAS 681170-13-8)
- 2-Methoxy-5-(piperidin-1-ylsulfonyl)benzoic acid (CAS 168890-58-2)
- N-methyl-1-(2-morpholino-5-(trifluoromethyl)phenyl)methanamine (CAS 886851-52-1)
- 2-Ethoxythiazol-5-amine (CAS 1314355-67-3)
- Crustacean Cardioactive Peptide (CCAP) (CAS 309247-84-5)
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