tert-Butyl 3-formyl-6-methoxy-1H-indazole-1-carboxylate CAS 691900-94-4
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 691900-94-4 |
| Molecular Formula | C14H16N2O4 |
| Molecular Weight | 276.29 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
tert-Butyl 3-formyl-6-methoxy-1H-indazole-1-carboxylate (CAS 691900-94-4) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C14H16N2O4. Molecular weight: 276.29 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C14H16N2O4 |
| Molecular Weight | 276.29 g/mol |
| Appearance | Pale yellow to yellow crystalline powder |
| 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) | 8.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1985 |
| Nitrogen Atoms | 2 |
Recommended Standards
- Tert-butyl 2-(5-nitro-1H-indol-1-yl)acetate (CAS 227302-34-3)
- 893-33-4 AR-1I2308 chromium(3+) sodium[(3-chloro-5-{[1-(2,6-dimethyl-3-sulfamoylphenyl)-3-methyl-5-oxo-1,5-dihydro-4h-pyrazol-4-ylidene]hydrazinylidene}-6-oxocyclohexa-1,3-dien-1-yl)imino]dioxidanide 4-[(3-chloro-5-nitro-6-oxocyclohexa-2,4-dien-1-ylidene)diazanidyl]-1-(2,6-dimethyl-3-sulfamoylphenyl)-3-methyl-1h-pyrazol-5-olate(1:1:1:1) (CAS 893-33-4)
- Oxagrelate (CAS 56611-65-5)
- (3R,4R)-1-Boc-3-amino-4-hydroxypiperidine (CAS 1523530-23-5)
- Diisopropyl Trisulfide (CAS 5943-34-0)
- tert-butyl (2S,5R)-5-ethyl-2-methyl-piperazine-1-carboxylate (CAS 1932079-78-1)
- 3-(5-Bromopyridin-3-yl)-1,4,6,7-tetrahydropyrano[4,3-c]pyrazole (CAS 1707727-59-0)
- 2-(4h-1,2,4-Triazol-4-yl)aniline (CAS 25660-59-7)
- 4-Methoxy-N-(2-(piperazin-1-yl)ethyl)benzamide dihydrochloride (CAS 1269152-40-0)
- D-Pro36-Tirzepatide (CAS CATO-CPTD788903)
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