Telmisartan Impurity 93 CAS CATO-C4X-135993
| CAS No. | CATO-C4X-135993 |
| Molecular Formula | C16H14Br2O3 |
| Molecular Weight | 414.09 g/mol |
| Category | Pharmacopoeial Impurity Standards / EP Impurities |
| Availability | In Stock |
Chemical Structure
Description
Under current pharmacopoeial and regulatory frameworks, quality-control requirements for this class of reference material explicitly involve the control of targets including Telmisartan Impurity 93.
CATO supplies Telmisartan Impurity 93 (CAS CATO-C4X-135993), a pharmacopoeial impurity reference standard (molecular formula C16H14Br2O3, MW 414.09 g/mol) used for the identification and quantification of trace impurities in APIs.
The molecular framework of Telmisartan Impurity 93 (C16H14Br2O3) is characterized by a carboxylic acid group, a hydroxyl group, an ether linkage, bromine substitution, a polycyclic aromatic system. In reversed-phase chromatography, its retention is governed primarily by its high hydrophobicity (logP), which provides a practical basis for HPLC-UV/DAD or LC-MS method development. Halogen substitution (F/Cl/Br/I) produces a distinctive isotope pattern in mass spectrometry, a valuable aid for qualitative confirmation.
Recommended for quantitative analysis by HPLC, GC, LC-MS/MS, or GC-MS as an external calibration standard; it can also be used for spiked-recovery experiments, LOD/LOQ determination, and LC-MS/MS multiple-reaction-monitoring (MRM) calibration.
As a certified reference material (CRM), Telmisartan Impurity 93 meets the metrological traceability requirements of ISO/IEC 17025 laboratories. Batch-to-batch consistency is monitored via control charts to guarantee comparable assigned values across lots.
Physical & Chemical Properties
| Molecular Formula | C16H14Br2O3 |
| Molecular Weight | 414.09 g/mol |
| Appearance | Pale yellow to yellow crystalline powder. (slight halide-like odor, low volatility) |
| Purity | ≥95% |
| Storage | Store at room temperature, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in chloroform, dichloromethane, ethyl acetate, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 9.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| Halogen Content | Br-containing |
Related Telmisartan Standards
- Telmisartan Impurity 45 (CAS 1098100-86-7)
- Telmisartan EP Impurity E (CAS 884330-12-5)
- Telmisartan Impurity 70 (CAS CATO-C4X-135970)
- Telmisartan Impurity 80 (CAS CATO-C4X-135980)
- Telmisartan Impurity 47 (CAS 884330-11-4)
- Telmisartan Impurity 17 (CAS 1352492-08-0)
- Telmisartan Impurity 22 (CAS 1797894-62-2)
- Telmisartan Impurity 64 (CAS CATO-C4X-135964)
Recommended Standards
- 91371-12-9 4,4'-Dibromo-2,2'-dinitro-1,1'-biphenyl DTXSID30434738 (CAS 91371-12-9)
- 3-Bromo-5-(1-t-Boc-piperidin-4-yl)methoxyphenylboronic acid (CAS 2096331-52-9)
- 4-(Benzyloxy)-2,3-dibromo-5-ethoxybenzaldehyde (CAS 834907-57-2)
- 3,3,4,4,5,5,6,6,7,7,8,8,9,9,9-Pentadecafluorononan-1-ol (CAS 755-02-2)
- Saxagliptin Impurity 67 (CAS CATO-C4X-104967)
- Macitentan Impurity 54 (CAS CATO-C4X-117554)
- Valsartan Impurity 110 (CAS 1418314-03-0)
- N-[3-(1H-imidazol-1-yl)propyl]-6-methoxy-1,3-benzothiazol-2-amine (CAS 862820-93-7)
- cis-4-(trifluoromethoxy)cyclohexanamine;hydrochloride (CAS 2376143-29-0)
- 4-Chloro-6-methoxy-1,3,5-triazin-2-amine (CAS 7254-11-7)
- Methyl 2-(3-(aminomethyl)piperidin-1-yl)acetate (CAS 1250338-71-6)
- N-(4-Fluorobenzyl)-2-isobutoxyaniline (CAS 1040694-48-1)
- 3-Isopropylcyclohexanone (CAS 23396-36-3)
- Anxiety Peptide (CAS 95237-86-8)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
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- Technical support: +86 18665070610 / Nicole.chen@cato-chem.com