Olmesartan Impurity 72 CAS 95579-71-8
| CAS No. | 95579-71-8 |
| Molecular Formula | C5H5ClO3 |
| Molecular Weight | 148.54 g/mol |
| Category | Pharmacopoeial Impurity Standards / EP Impurities |
| Availability | In Stock |
Chemical Structure
Description
Owing to a carboxylic acid group, a hydroxyl group, an ether linkage, chlorine substitution, Olmesartan Impurity 72 is typically white to off-white liquid. Its solid-state physicochemical attributes — including a molecular weight of 148.54 g/mol — guide the selection of appropriate sample preparation and analytical techniques. The presence of an aromatic ring or conjugated system gives the compound characteristic absorption bands in the UV-Vis region, making it well suited to UV or diode-array detection (DAD).
Olmesartan Impurity 72 (CAS 95579-71-8) is a certified pharmaceutical impurity reference standard with the molecular formula C5H5ClO3 and a molecular weight of 148.54 g/mol.
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.
CATO manufactures Olmesartan Impurity 72 under ISO 17034:2016 accreditation with dual CNAS and ANAB accreditation. Each batch is characterized by orthogonal methods and supplied with a full Certificate of Analysis (COA), ensuring metrological traceability.
Physical & Chemical Properties
| Molecular Formula | C5H5ClO3 |
| Molecular Weight | 148.54 g/mol |
| Purity | 90% |
| Storage | Store at 2-8°C, keep sealed and dry, keep tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in methanol, ethanol, DMSO, water |
| Stability | May oxidize slowly on prolonged air exposure; Hygroscopic; reseal immediately after opening; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 3.0 |
| UV Absorption | UV-absorbing |
| CAS Registry Year (est.) | 1984 |
| Halogen Content | Cl-containing |
Related Olmesartan Standards
- Olmesartan Impurity 3 (CAS 80841-78-7)
- Olmesartan Impurity 62 (CAS 91526-17-9)
- Olmesartan Impurity 64 (CAS 51802-42-7)
- Olmesartan Impurity 106 (CAS CATO-C4X-1097106)
- Olmesartan Impurity 63 (CAS 144690-06-2)
- Olmesartan Impurity 10 (CAS 4437-70-1)
- Olmesartan Impurity 107 (CAS 105235-65-2)
- Olmesartan Impurity 70 (CAS 37830-90-3)
Recommended Standards
- 74503-07-4 Acetic acid,2-chloro-2-oxo-, 2-propen-1-yl ester CTK5D9969 (CAS 74503-07-4)
- Methyl 4-chloro-4-oxobut-2-enoate (CAS 78140-66-6)
- <I>N</I>-(Chloromethyl-<SUP>13</SUP>C)succinimide (CAS 1202864-46-7)
- 5-Oxooxolane-2-carbonyl chloride (CAS 82977-45-5)
- Betamethasone impurity 58 (CAS CATO-C4X-143758)
- Tirofiban Impurity 104 HCl (CAS CATO-C4X-1254104)
- Remdesivir Impurity 15 (CAS CATO-C4X-210015)
- N-(3-Fluorobenzyl)-4-iodoaniline (CAS 1040064-37-6)
- 1,1-Dioxidotetrahydrothiophene-3,4-diyl diacetate (CAS 3050-91-7)
- Antitubercular agent-3 (CAS 1453117-94-6)
- 3-(4-Ethylphenyl)-6-((2-methylbenzyl)thio)pyridazine (CAS 896046-15-4)
- 1-Benzyl 2-methyl 5-(difluoromethyl)-3-oxopyrrolidine-1,2-dicarboxylate (CAS 2761985-05-9)
- (S)-7,8-difluorochroman-4-amine (CAS 1213161-36-4)
- Semaglutide impurity 259 (CAS CATO-C4X-2226259)
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 18665070610 / Nicole.chen@cato-chem.com