1,4-Dioxo-1,2,3,4-tetrahydropyrido[3,4-d]pyridazine 6-oxide CAS 89663-09-2
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 89663-09-2 |
| Molecular Formula | C7H5N3O3 |
| Molecular Weight | 179.13 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
1,4-Dioxo-1,2,3,4-tetrahydropyrido[3,4-d]pyridazine 6-oxide (CAS 89663-09-2) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C7H5N3O3. Molecular weight: 179.13 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C7H5N3O3 |
| Molecular Weight | 179.13 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) | 7.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1982 |
| Nitrogen Atoms | 3 |
Related Dioxo Standards
- 5,8-Dioxo-5,6,7,8-tetrahydropyrido[2,3-d]pyridazine 1-oxide (CAS 89663-08-1)
- 3-(5-Methyl-2,4-dioxo-3,4-dihydropyrimidin-1(2H)-yl)propanenitrile (CAS 6388-18-7)
- 2-methyl-1,1-dioxo-1$l^{6},2-thiazolidine-5-carboxylic acid (CAS 1909319-87-4)
- 2-(1,1-dioxo-1,2-thiazolidin-3-yl)acetic acid (CAS 881652-54-6)
- methyl 1,1-dioxo-1$l^{6},2-thiazolidine-3-carboxylate (CAS 409107-64-8)
- (4,4-dioxo-1,4-oxathiepan-6-yl)methanamine (CAS 1895475-15-6)
- 1,1-Dioxo-1lambda6-thiane-2-carboxylic acid (CAS 1318758-58-5)
- (1,1-Dioxo-1lambda6-thiolan-3-yl)urea (CAS 17153-60-5)
Recommended Standards
- 7-Oxo-4,7-dihydropyrazolo[1,5-a]pyrimidine-6-carboxylic Acid (CAS 197367-75-2)
- 1-Hydroxy-1h-1,2,3-benzotriazole-6-carboxylic acid (CAS 50907-17-0)
- 6-Hydroxy-1H-benzo[d][1,3]oxazine-2,4-dione (CAS 195986-91-5)
- 6-bromo-8-methylimidazo[1,2-a]pyridine-3-carbaldehyde (CAS 1126636-93-8)
- 6-Bromo-5-methylnicotinamide (CAS 2091012-51-8)
- (R)-1-(2,2,2-trifluoroethyl)pyrrolidin-3-ol (CAS 1567851-20-0)
- 2-(4-(Bromomethyl)phenyl)acetyl chloride (CAS 119549-47-2)
- N-(2,5-difluorophenyl)-2-(4-(4-fluorophenyl)piperazin-1-yl)acetamide (CAS 882082-02-2)
- methyl exo-8-azabicyclo[3.2.1]octane-2-carboxylate (CAS 1408075-58-0)
- ((Cys31,Nva34)-Neuropeptide Y (27-36))2 (CAS 172997-92-1)
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