4,8-Dihydroxy-7-methylpyrido[3,4-d]pyridazine-3(4H)-carboximidamide CAS 669766-79-4
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 669766-79-4 |
| Molecular Formula | C9H11N5O2 |
| Molecular Weight | 221.22 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Description
4,8-Dihydroxy-7-methylpyrido[3,4-d]pyridazine-3(4H)-carboximidamide (CAS 669766-79-4) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C9H11N5O2. Molecular weight: 221.22 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C9H11N5O2 |
| Molecular Weight | 221.22 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 DMSO, DMF, methanol |
| 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.) | 1985 |
| Nitrogen Atoms | 5 |
Related Dihydroxy Standards
Recommended Standards
- 4,5-Dimethoxy-2-(2h-tetrazol-5-yl)aniline (CAS 53967-59-2)
- 5-[5-(Dimethylamino)-1,3,4-oxadiazol-2-yl]pyrimidine-2,4-diamine (CAS 343375-26-8)
- 4,4,7-trifluoro-2,3,4,5-tetrahydro-1H-1-benzazepin-5-one (CAS 2306270-94-8)
- 5-(6-Aminopyridin-3-yl)thiophene-2-carboxylic acid (CAS 872838-44-3)
- Ethyl 2-(1-bromoethyl)-1-isopropyl-5-methoxy-6-oxo-1,6-dihydropyrimidine-4-carboxylate (CAS 2857080-77-2)
- Glycerol-d (CAS 65615-82-9)
- 6-Chloro-N-isopropyl-5-methyl-2-(piperazin-1-yl)pyrimidin-4-amine (CAS 102396-29-2)
- 2-(2-Chloro-6-fluorophenyl)-2-(dimethylamino)acetic acid hydrochloride (CAS 1334145-93-5)
- 4-(2,5-Dichlorophenyl)azetidin-2-one (CAS 1516742-80-5)
- Neuropeptide FF (CAS 99566-27-5)
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