3,6-Dimethyloxazolo[4,5-d]pyridazine-2,7(3H,6H)-dione CAS 1706445-93-3
| CAS No. | 1706445-93-3 |
| Molecular Formula | C7H7N3O3 |
| Molecular Weight | 181.15 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
3,6-Dimethyloxazolo[4,5-d]pyridazine-2,7(3H,6H)-dione (CAS 1706445-93-3), molecular formula C7H7N3O3 and molecular weight 181.15 g/mol, is a CATO reference standard with documented purity and traceability.
Based on its molecular formula C7H7N3O3, 3,6-Dimethyloxazolo[4,5-d]pyridazine-2,7(3H,6H)-dione contains an amino-acid-derived structure, an amide group, a hydroxyl group, an ether linkage; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 181.15 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
This reference standard is suitable for quantitative analysis on major chromatographic platforms including HPLC, GC, LC-MS/MS, and GC-MS, serving as an external calibration standard or a system suitability test reference material.
CATO manufactures 3,6-Dimethyloxazolo[4,5-d]pyridazine-2,7(3H,6H)-dione 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.
Physical & Chemical Properties
| Molecular Formula | C7H7N3O3 |
| Molecular Weight | 181.15 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) | 6.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1994 |
| Nitrogen Atoms | 3 |
Related Dimethyloxazolo Standards
- 5,7-Dimethyloxazolo[5,4-d]pyrimidine (CAS 120266-89-9)
- 2,7-Dimethyloxazolo[4,5-c]pyridine (CAS 1823921-82-9)
- (S)-2-((2,5-Dimethyloxazolo[5,4-d]pyrimidin-7-yl)amino)propanoic acid (CAS 102248-96-4)
- 2-((2,5-Dimethyloxazolo[5,4-d]pyrimidin-7-yl)(methyl)amino)acetic acid (CAS 102248-98-6)
- 11-Ethyl-6,8-Dimethyloxazolo[5,4,3-Ij]Pyrido[3,2-G]Quinoline-4,10(2H,11H)-Dione (CAS 1809737-28-7)
Recommended Standards
- (Z)-N'-hydroxy-3-nitrobenzimidamide (CAS 1699858-76-8)
- 2,4-Dihydroxy-1,4-benzoxazin-3-one (CAS 17359-54-5)
- 6-Nitro-2,3-dihydro-benzo[1,4]dioxine (CAS 16498-20-7)
- 4-Oxo-4,5,6,7-tetrahydro-3H-pyrrolo[2,3-d]pyrimidine-2-carboxylic acid (CAS 1774892-81-7)
- tert-Butyl 3-(4-chlorophenyl)-3-hydroxyazetidine-1-carboxylate (CAS 1447464-04-1)
- (3-Nitropyridin-2-yl)cyanamide (CAS 1255146-90-7)
- 6-(2,3-Dichlorophenoxy)pyridazine-3-carboxylic acid (CAS 1184088-66-1)
- 4-(Chlorosulfonyl)phenyl acetate (CAS 79119-26-9)
- 4-tert-Butoxycarbonylaminobut-2-enoic Acid Ethyl Ester (CAS 510729-27-8)
- (2S,4R)-1-(tert-butoxycarbonyl)-4-(4-cyanobenzyl)pyrrolidine-2-carboxylic acid (CAS 1217684-11-1)
- Methyl 2-amino-5,5,5-trifluoropentanoate (CAS 1192057-19-4)
- 2-Chloro-N-cyclopropyl-5-methoxypyrimidin-4-amine (CAS 1050602-56-6)
- Perfluoropropanesulfonic acid (CAS 423-41-6)
- Semaglutide impurity 260 (CAS CATO-C4X-2226260)
Why CATO?
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