Telmisartan Impurity 7 CAS 17103-25-2
| CAS No. | 17103-25-2 |
| Molecular Formula | C15H14O3 |
| Molecular Weight | 242.27 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
Telmisartan Impurity 7 (CAS 17103-25-2), molecular formula C15H14O3 and molecular weight 242.27 g/mol, is a CATO reference standard with documented purity and traceability.
Structurally, Telmisartan Impurity 7 (C15H14O3) contains a carboxylic acid group, a hydroxyl group, an ether linkage, a polycyclic aromatic system. The molecule exhibits a degree of unsaturation (DBE) of 9.0, corresponding to approximately 9 ring(s) or double-bond equivalent(s). With a molecular weight of 242.27 g/mol, it falls into the medium-molecular-weight range. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
As a certified reference material (CRM), Telmisartan Impurity 7 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 | C15H14O3 |
| Molecular Weight | 242.27 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 chloroform, dichloromethane, ethyl acetate, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 9.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1961 |
Related Telmisartan Standards
- Telmisartan impurity 74 (CAS CATO-C4X-135974)
- Telmisartan Impurity 57 (CAS 884330-16-9)
- Telmisartan Impurity 53 (CAS 301533-59-5)
- Telmisartan Impurity 16 (CAS 675882-71-0)
- Telmisartan Impurity 13 (CAS 152628-00-7)
- Telmisartan Impurity 62 (CAS 884330-08-9)
- Telmisartan impurity 73 (CAS CATO-C4X-135973)
- Telmisartan Impurity 31 (CAS 158144-54-8)
Recommended Standards
- 2-Cyclopropyl-6-(3-methoxyphenyl)pyrimidin-4-ol (CAS 1708288-95-2)
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- (3S,4S)-3-(Boc-amino)-4-azidotetrahydropyran (CAS 1707290-13-8)
- Methyl 2-methoxybiphenyl-4-carboxylate (CAS 175152-72-4)
- Glycidaldehyde (CAS 765-34-4)
- Ruthenium(III) acetate (CAS 72196-32-8)
- Pentafluorophenyl-4-methyl-1,3-thiazole-2-sulfonate (CAS 1421602-12-1)
- 1-(6-Methoxy-7-methyl-6H-[1,2,5]oxadiazolo[3,4-e]indol-8-yl)ethan-1-one (CAS 306935-64-8)
- 1-(4-Nitrophenethyl)-1H-imidazole (CAS 56643-91-5)
- N1-(1-Benzylpyrrolidin-3-yl)-N1-isopropylethane-1,2-diamine (CAS 1353974-19-2)
- 1-(2-(Pyrrolidin-1-yl)cyclohex-1-en-1-yl)ethanone (CAS 28073-88-3)
- 4-((tert-Butoxycarbonyl)amino)hexanoic acid (CAS 2487649-04-5)
- Benzyl 3-((tert-butoxycarbonyl)amino)-4-hydroxypiperidine-1-carboxylate (CAS 1418126-14-3)
- Glucagon-like peptide 2 (CAS 89750-15-2)
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