1H-Pyrazole-3-carboxylic acid, 1-(2,4-dichlorophenyl)-5-methyl-, lithium salt, mixt. with ethyl 2-[4-[(6-chloro-2-benzoxazolyl)oxy]phenoxy]propanoate CAS 126067-88-7
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 126067-88-7 |
| Molecular Formula | C11H8Cl2N2O2 |
| Molecular Weight | 271.10 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO supplies 1H-Pyrazole-3-carboxylic acid, 1-(2,4-dichlorophenyl)-5-methyl-, lithium salt, mixt. with ethyl 2-[4-[(6-chloro-2-benzoxazolyl)oxy]phenoxy]propanoate (CAS 126067-88-7), a pharmaceutical standards reference standard manufactured under ISO 17034 accreditation. Molecular formula: C11H8Cl2N2O2. Molecular weight: 271.10 g/mol. Batch-specific COA and technical support are available on request.
Physical & Chemical Properties
| Molecular Formula | C11H8Cl2N2O2 |
| Molecular Weight | 271.10 g/mol |
| Appearance | Pale yellow to yellow crystalline powder. (slight halide-like odor, low volatility) |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry, keep tightly closed to prevent evaporation |
| 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; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 8.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1993 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 2 |
Related H Standards
- 1H-Pyrazole, 1-(2,5-dichlorophenyl)-3-methyl- (CAS 99360-59-5)
- 1H-Pyrazole-4-carboxylic acid, 3,5-dibromo- (CAS 98026-81-4)
- 1H-Pyrazole-3-carboxylic acid, 1-(2-carboxyphenyl)-4-methyl-, 3-ethyl ester (CAS 2007920-58-1)
- 1H-Pyrazole, 4-bromo-3-nitro-1-(tetrahydro-2H-pyran-2-yl)- (CAS 1235407-33-6)
- 1H-Pyrazole-3-carboxylic acid, 5-(2-nitrophenyl)-, ethyl ester (CAS 178114-27-7)
- 1H-PYRAZOLE-5-ACETIC ACID, 3-(1,1-DIMETHYLETHYL)-1-PHENYL- (CAS 443912-82-1)
- 1H-Pyrazole-1-acetic acid, 4-(ethoxycarbonyl)-, 1,1-dimethylethyl ester (CAS 611238-75-6)
- 2-(2-(1H-Pyrazole-4-carboxamido)thiazol-4-yl)acetic acid (CAS 1154939-61-3)
Recommended Standards
- 1-(2,4-dichlorophenyl)-5-methyl-1H-pyrazole-3-carboxylic acid (CAS 126067-48-9)
- 1-(Bromomethyl)-4-(difluoromethyl)naphthalene (CAS 1261799-12-5)
- 6-Amino-2-[(2,4-dichlorophenyl)amino]pyrimidin-4(3H)-one (CAS 123375-88-2)
- 2-Bromo-1,3-bis(4-bromophenyl)propane-1,3-dione (CAS 66178-12-9)
- 3-Bromo-4-methoxy-1-methylpyridin-2(1H)-one (CAS 920490-72-8)
- Methyl 6-chloro-2-(trifluoromethyl)nicotinate (CAS 1227575-31-6)
- CGI 1746 (CAS 910232-84-7)
- Vericiguat Impurity 98 (CAS 907165-30-4)
- (3-(Azetidin-1-ylmethyl)phenyl)(2-(trifluoromethyl)phenyl)methanone (CAS 898771-91-0)
- [y-Glu3]-Semaglutide Impurity 135 (CAS CATO-C4X-2226135)
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