1H-1,2,3-Triazole-4-carboxylic acid, 1-(4-chlorophenyl)-5-[(triphenylphosphoranylidene)amino]-, ethyl ester CAS 272123-45-2
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 272123-45-2 |
| Molecular Formula | C29H24ClN4O2P |
| Molecular Weight | 526.95 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
1H-1,2,3-Triazole-4-carboxylic acid, 1-(4-chlorophenyl)-5-[(triphenylphosphoranylidene)amino]-, ethyl ester (CAS 272123-45-2) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C29H24ClN4O2P. Molecular weight: 526.95 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C29H24ClN4O2P |
| Molecular Weight | 526.95 g/mol |
| Appearance | Pale yellow to yellow crystalline powder. (slight halide-like odor) |
| 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; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 19.5 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 4 |
Related H Standards
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- 5,5'-(1H-1,2,3-triazole-1,4-diyl)diisophthalic acid (CAS 1403744-65-9)
- 1H-1,2,4-Triazole, 3,5-dibromo-1-[2-[(tetrahydro-2H-pyran-2-yl)oxy]ethyl]- (CAS 1262197-67-0)
- 1H-1,2,4-Triazole-3-methanol, 1-(triphenylmethyl)- (CAS 151607-71-5)
- 1H-1,2,4-Triazole-1-methanamine, N,N-bis(2-ethylhexyl)- (CAS 91273-04-0)
- 4,4'-(1H-1,2,4-Triazole-3,5-diyl)dibenzoic acid (CAS 65697-90-7)
- 3H-1,2,4-Triazole-3-thione, 2,4-dihydro-5-[4-(hydroxymethyl)phenyl]-4-phenyl- (CAS 935291-64-8)
- 1H-1,2,3-Triazole,5,5',5''-(1,3,5-benzenetriyl)tris- (CAS 1167993-47-6)
Recommended Standards
- 4,7-Bis((triisopropylsilyl)ethynyl)benzo[c][1,2,5]thiadiazole-5,6-diamine (CAS 1632986-19-6)
- N-(4-{4-[3-chloro-5-(trifluoromethyl)pyridin-2-yl]piperazin-1-yl}phenyl)-4-methoxybenzene-1-sulfonamide (CAS 478262-25-8)
- Bis(linoleyl) ketone (CAS 1169768-30-2)
- 4-(Bromomethyl)-3,5-dimethylpyridine (CAS 1256562-23-8)
- tert-Butyl 6-methoxy-3,4-dihydro-1H-pyrido[3,4-b]indole-2(9H)-carboxylate (CAS 1029578-08-2)
- 1-(2-Propoxy-phenyl)-pyrrole-2,5-dione (CAS 401624-13-3)
- Vonoprazan Fumarate Impurity 111 (CAS 928325-69-3)
- N,N'-((5,6-Dicyanopyrazine-2,3-diyl)bis(4,1-phenylene))diacetamide (CAS 566149-79-9)
- 5-Methoxy-6-methylnicotinic acid (CAS 7442-24-2)
- Polymyxin B nonapeptide (CAS 86408-36-8)
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