5-(1-(Hydroxyamino)ethylidene)pyrimidine-2,4(3H,5H)-dione CAS 1905453-18-0
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 1905453-18-0 |
| Molecular Formula | C6H7N3O3 |
| Molecular Weight | 169.14 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
5-(1-(Hydroxyamino)ethylidene)pyrimidine-2,4(3H,5H)-dione (CAS 1905453-18-0) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C6H7N3O3. Molecular weight: 169.14 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C6H7N3O3 |
| Molecular Weight | 169.14 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, water |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 5.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1995 |
| Nitrogen Atoms | 3 |
Related Hydroxyamino Standards
- 2-(Hydroxyamino)-2-oxoethyl dihydrogen phosphate (CAS 51528-59-7)
- 4-(Hydroxyamino)-3-methylbenzoic acid (CAS 3133-02-6)
- Methyl 4-(hydroxyamino)benzoate (CAS 24226-29-7)
- 5-(Hydroxyamino)-3-isopropyl-1,6-dihydropyrazin-2(3H)-one (CAS 20855-67-8)
- 6-(Hydroxyamino)-7h-purin-2-amine (CAS 7269-57-0)
- (S)-2-(Hydroxyamino)pentanedioic acid (CAS 13782-56-4)
- 4-(Hydroxyamino)quinoline N-Oxide (CAS 4637-56-3)
- 3-(Hydroxyamino)-3-phenylpropanoic acid (CAS 6320-08-7)
Recommended Standards
- 2-(Trifluoromethyl)tetrahydro-2H-pyran-4-amine (CAS 1880505-53-2)
- (2S,4R)-2-(trifluoromethyl)piperidin-4-ol (CAS 1932078-21-1)
- 3-Methyl-2,4-dioxo-1,2,3,4-tetrahydropyrimidine-5-carboxamide (CAS 1857101-88-2)
- (2R,3S,4S,5R,6R)-2-(Hydroxymethyl)-6-(6-((3-methylbut-2-en-1-yl)amino)-9H-purin-9-yl)tetrahydro-2H-pyran-3,4,5-triol (CAS 83087-94-9)
- 2-Bromo-5-methyl-1H-indole-3-carbaldehyde (CAS 1388058-58-9)
- 1-((3-Nitrophenyl)sulfonyl)piperidine-3-carboxylic acid (CAS 321970-60-9)
- α-Hydroxy Olopatadine (E-Isomer) HCI (CAS 1331822-32-2（free base）)
- (2S,4R)-4-((tert-Butoxycarbonyl)amino)-5-(4-hydroxy-3-nitrophenyl)-2-methylpentanoic acid (CAS 2361404-24-0)
- 5-(Pyridin-3-yl)-3-(trifluoromethyl)pyridin-2-amine (CAS 1214333-32-0)
- Ac, Gastrin Releasing Peptide (20-27), porcine (CAS 77714-20-6)
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