Calcipotriol Impurity 31 CAS 866406-02-2
| CAS No. | 866406-02-2 |
| Molecular Formula | C39H66O3Si2 |
| Molecular Weight | 639.11 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 Calcipotriol Impurity 31.
Calcipotriol Impurity 31 (CAS 866406-02-2) is a certified pharmaceutical impurity reference standard with the molecular formula C39H66O3Si2 and a molecular weight of 639.11 g/mol.
Structurally, Calcipotriol Impurity 31 (C39H66O3Si2) contains a carboxylic acid group, a hydroxyl group, an ether linkage, a polycyclic aromatic system. The molecule exhibits a degree of unsaturation (DBE) of 7.0, corresponding to approximately 7 ring(s) or double-bond equivalent(s). With a molecular weight of 639.11 g/mol, it falls into the high-molecular-weight range. The high carbon-to-hydrogen ratio imparts good lipophilicity, allowing liquid-liquid extraction with non-polar solvents such as n-hexane or ethyl acetate.
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 Calcipotriol Impurity 31 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 | C39H66O3Si2 |
| Molecular Weight | 639.11 g/mol |
| Purity | 97%+ |
| 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 |
| Degree of Unsaturation (DBE) | 7.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1987 |
Related Calcipotriol Standards
- Calcipotriol Impurity 11 (CAS 112849-17-9)
- Calcipotriol Impurity 29 (CAS CATO-C4X-122229)
- Calcipotriol Impurity 30 (CAS 115648-68-5)
- Calcipotriol Impurity 23 (CAS 1630745-25-3)
- Calcipotriol Impurity 51 (CAS 910133-69-6)
- Calcipotriol Impurity 10 (CAS 112849-27-1)
- Calcipotriol EP Impurity F (CAS 112875-61-3)
- Calcipotriol Impurity 17 (CAS 115540-28-8)
Recommended Standards
- (SP-5-13)-Chloro[[2,2′-[(1R,2R)-1,2-cyclohexanediylbis[(nitrilo-κN)methylidyne]]bis[4,6-bis(1,1-dimethylethyl)phenolato-κO]](2-)]cobalt (CAS 376652-60-7)
- (SP-5-13)-Chloro[[2,2′-[(1S,2S)-1,2-cyclohexanediylbis[(nitrilo-κN)methylidyne]]bis[4,6-bis(1,1-dimethylethyl)phenolato-κO]](2-)]cobalt (CAS 630404-46-5)
- (2R,3R,4R)-5-(((((2R,3S,4R,5R)-5-(6-Amino-9H-purin-9-yl)-3,4-dihydroxytetrahydrofuran-2-yl)methoxy)(phosphonooxy)phosphoryl)oxy)-3,4-dihydroxy-1-oxopentan-2-yl dihydrogen phosphate (CAS 53595-18-9)
- 376-14-7 2-(Ethyl((heptadecafluorooctyl)sulphonyl)amino)ethyl methacrylate 2-Propenoic acid, 2-methyl-, 2-(ethyl((1,1,2,2,3,3,4,4,5,5,6,6,7,7,8,8,8-heptadecafluorooctyl)sulfonyl)amino)ethyl ester 2-Propenoic acid, 2-methyl-, 2-(ethyl((heptadecafluorooctyl)sulfonyl)amino)ethyl ester EINECS 206-805-5 2-(Ethyl((heptadecafluorooctyl)sulfonyl)amino)ethyl methacrylate (CAS 376-14-7)
- Donepezil Impurity 16 (CAS 36517-91-6)
- Indometacin EP Impurity A (CAS 74-11-3)
- Diltiazem EP Impurity D HCl (CAS 130606-60-9)
- (S)-1-tert-Butyl 2-ethyl 4-methylenepyrrolidine-1,2-dicarboxylate (CAS 453524-59-9)
- 6-Methyl-[1,2,4]triazolo[4,3-c]pyrimidin-5(6H)-one (CAS 452323-94-3)
- 1-(6-Chloropyrimidin-4-yl)piperidine-4-carbonitrile (CAS 945896-87-7)
- 2-(2,4-difluorophenyl)-Cyclopropanemethanamine (CAS 1267351-42-7)
- 2-Bromo-4-isopropylbenzoic acid (CAS 51605-88-0)
- 2-(2,6-Dichlorophenyl)imidazo[1,2-c]pyrimidine (CAS 1638768-42-9)
- Influenza PR8 Hemagglutinin Peptide (110-119) (H-6312.0005) (CAS 132031-50-6)
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