4-Hydroxy-5-[2,3-O-(1-methylethylidene)-5-O-(triphenylmethyl)-L-ribofuranosyl]-1H-pyrazole-3-carboxylic Acid Ethyl Ester CAS 206269-73-0
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 206269-73-0 |
| Molecular Formula | C33H34N2O7 |
| Molecular Weight | 570.63 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
4-Hydroxy-5-[2,3-O-(1-methylethylidene)-5-O-(triphenylmethyl)-L-ribofuranosyl]-1H-pyrazole-3-carboxylic Acid Ethyl Ester (CAS 206269-73-0) is a pharmaceutical standards certified reference material from CATO. Molecular formula: C33H34N2O7. Molecular weight: 570.63 g/mol. ISO 17034 accredited production ensures traceable purity and reliable analytical results.
Physical & Chemical Properties
| Molecular Formula | C33H34N2O7 |
| Molecular Weight | 570.63 g/mol |
| Appearance | Pale yellow to yellow crystalline powder |
| Purity | 97%+ |
| Storage | Store in a cool place (≤25°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) | 18.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2015 |
| Nitrogen Atoms | 2 |
Related Hydroxy Standards
- 4-Hydroxy-5-[2,3-O-(1-methylethylidene)-5-O-(triphenylmethyl)-α-D-ribofuranosyl]-1H-pyrazole-3-carboxylic Acid Ethyl Ester (CAS 83686-34-4)
- Hydroxy Bosentan-d4 (CAS 1065472-91-4)
- 2,4-Bis[8-hydroxy-1,1,7,7-tetramethyljulolidin-9-yl]squaraine (CAS 358727-55-6)
- (11bS)-4-Hydroxy-2,6-bis(4-methoxyphenyl)-8,9,10,11,12,13,14,15-octahydrodinaphtho[2,1-d:1',2'-f][1,3,2]dioxaphosphepine 4-oxide (CAS 2635339-85-2)
- Hydroxy Bosentan-d6 (CAS 1246817-57-1)
- 6-Butyl-2-(2-hydroxy-3-(2-phenylpropan-2-yl)-5-(2,4,4-trimethylpentan-2-yl)phenyl)-[1,2,3]triazolo[4,5-f]isoindole-5,7(2H,6H)-dione (CAS 945857-19-2)
- o-Hydroxy Atorvastatin-d (CAS 214217-88-6)
- (2S)-5-hydroxy-4-oxo-2-phenyl-3,4-dihydro-2H-1-benzopyran-7-yl 2-O-(6-deoxy-alpha-L-mannopyranosyl)-beta-D-glucopyranoside 13241-31-1 CHEBI:8222 Pinocembrin 7-O-neohesperidoside pinocembrin 7-rhamnosylglucoside (CAS 13241-31-1)
Recommended Standards
- Canagliflozin Impurity 42 (CAS CATO-C4X-112342)
- 4,4',4'',4'''-(Pyrene-1,3,6,8-tetrayl)tetraphenol (CAS 835878-20-1)
- Canagliflozin Impurity 62 (CAS CATO-C4X-112362)
- (3R)-3-(tert-butoxycarbonylamino)-4-(o-tolyl)butanoic acid (3R)-3-(tert-butoxycarbonylamino)-4-(o-tolyl)butyric acid (3R)-4-(2-methylphenyl)-3-[(2-methylpropan-2-yl)oxycarbonylamino]butanoic acid (3R)-4-(2-methylphenyl)-3-[[(2-methylpropan-2-yl)oxy-oxomethyl]amino]butanoic acid 269398-80-3 Boc-(R)-3-Amino-4-(2-methylphenyl)-butyric acid (CAS 269398-80-3)
- 5-(4-(Diphenylamino)phenyl)thiophene-2-carbaldehyde (CAS 291279-14-6)
- 5-Bromo-3-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)pyridin-2-amine (CAS 1449301-71-6)
- Ethyl 4-bromo-1-butyl-1H-pyrazole-3-carboxylate (CAS 1855941-34-2)
- 5-Bromo-2-(2,3-dimethylphenyl)pyridine (CAS 2586126-58-9)
- 5-tert-butyl-1,3-thiazole-2-carbaldehyde (CAS 1803570-76-4)
- MCH-Gene-Overprinted-Polypeptide-14 (rat) (H-4746.0500) (CAS 182917-44-8)
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