Atropine Impurity 34 CAS 101723-82-4
| CAS No. | 101723-82-4 |
| Molecular Formula | C18H16O4 |
| Molecular Weight | 296.32 g/mol |
| Category | Pharmacopoeial Impurity Standards / EP Impurities |
| Availability | In Stock |
Chemical Structure
Description
Atropine Impurity 34 (C18H16O4) contains a flavonoid core, a hydroxyl group, an ether linkage. Its high carbon-to-hydrogen ratio confers good lipid solubility, the carboxyl group imparts weak acidity; these physicochemical properties determine the optimal preparation and storage of its standard solutions. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
CATO supplies Atropine Impurity 34 (CAS 101723-82-4), a pharmacopoeial impurity reference standard (molecular formula C18H16O4, MW 296.32 g/mol) used for the identification and quantification of trace impurities in APIs.
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 Atropine Impurity 34 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 | C18H16O4 |
| Molecular Weight | 296.32 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) | 11.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1986 |
Related Atropine Standards
- Atropine-d5 (CAS CATO-CCAD302246)
- Atropine impurity 65 (CAS CATO-C4X-148965)
- Atropine EP Impurity G ((R)-Isomer) ((R)-(-)-Littorine) (CAS 21956-47-8)
- Atropine Impurity 37 (CAS 35721-90-5)
- Atropine Impurity 42 (CAS 13269-35-7)
- Atropine Impurity 60 (CAS 5627-14-5)
- Atropine sulfate EP Impurity G (CAS CATO-C4X-14897)
- Atropine (CAS 51-55-8)
Recommended Standards
- Mianserin Impurity 100 (CAS CATO-C4X-1369100)
- Doxofylline Impurity 13 (CAS 43135-57-5)
- Oxcarbazepine Impurity 40 (CAS 186694-45-1)
- Doxofylline impurity 44 (CAS CATO-C4X-151344)
- Ilaprazole Impurity 27 (CAS CATO-C4X-113027)
- Glucose Impurity 44 (CAS CATO-C4X-209544)
- Betamethasone impurity 58 (CAS CATO-C4X-143758)
- (R)-1-Acetylpiperidin-3-yl 4-methylbenzenesulfonate (CAS 1353994-85-0)
- N-(6-nitro-2-oxo-2H-chromen-3-yl)heptanamide (CAS 852-32-4)
- N-(4-Amino-2-methylphenyl)-4-butoxybenzamide (CAS 1016828-31-1)
- 6-Bromo-1,2,3,4-tetrahydrodibenzo[b,d]thiophene (CAS 870297-91-9)
- Melphalan EP Impurity B DiHCl (CAS CATO-C4X-198820)
- 1,4-Dioxane-2-carbaldehyde (CAS 56217-56-2)
- Tirzepatide Impurity 15 (CAS CATO-C4X-324015)
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