Diphenhydramine d5 Hydrochloride CAS 1219795-16-0
| CAS No. | 1219795-16-0 |
| Molecular Formula | - |
| Molecular Weight | N/A |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
The occurrence of Diphenhydramine d5 Hydrochloride is closely related to deuterium isotope labeling, a steroid core, an amide group, a hydroxyl group, an ether linkage, chlorine substitution in its molecular formula, which determines its behaviour during synthesis, purification, or degradation.
Diphenhydramine d5 Hydrochloride (CAS 1219795-16-0), molecular formula C17H16D5NOHCl and molecular weight 296.85 g/mol, is a CATO reference standard with documented purity and traceability.
Based on its molecular formula C17H16D5NOHCl, Diphenhydramine d5 Hydrochloride contains deuterium isotope labeling, a steroid core, an amide group, a hydroxyl group, an ether linkage, chlorine substitution; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 296.85 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
CATO manufactures Diphenhydramine d5 Hydrochloride 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 | C17H16D5NO HCl |
| Molecular Weight | 296.85 g/mol |
| Appearance | Pale yellow to yellow crystalline powder. (slight halide-like odor) |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep tightly closed to prevent evaporation |
| 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) | 9.5 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1990 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 1 |
Related Diphenhydramine Standards
- Diphenhydramine EP Impurity C (CAS 118-23-0)
- Diphenhydramine-d6 Hydrochloride (CAS 1189986-72-8)
- Diphenhydramine N-Oxide(hydrochloride) (CAS 13168-00-8)
- Diphenhydramine N-Glucuronide (CAS 137908-78-2)
- Diphenhydramine Hydrochloride (CAS 147-24-0)
- Diphenhydramine impurity 18 (CAS 150556-79-9)
- Diphenhydramine EP Impurity A(Dimenhydrinate EP Impurity F) (CAS 17471-10-2)
- Diphenhydramine EP Impurity C HCl (CAS 1808-12-4)
Recommended Standards
- Carboxybetaine methacrylate (CAS 24249-95-4)
- 3-Amino-8-fluoro-4-thia-2,9-diaza-phenanthren-1-one (CAS 1018060-52-0)
- Rac-(2r,3r)-2-(3-fluorophenyl)-1-methyl-5-oxopyrrolidine-3-carboxylic acid, trans (CAS 1807940-21-1)
- (1R,2R)-2-methoxycyclopentan-1-ol (CAS 7429-45-0)
- 2-Propyl-1,3-thiazolidine (CAS 24050-10-0)
- 4H,5H-imidazo[1,5-a]quinoxalin-4-one (CAS 179042-26-3)
- Ethyl 1,2-diamino-4-methyl-1H-pyrrole-3-carboxylate (CAS 458527-73-6)
- tert-butyl N-(5-methylpyrazin-2-yl)carbamate (CAS 369638-68-6)
- 1-((4,6-Dimethylpyrimidin-2-yl)thio)-3,3-dimethylbutan-2-one (CAS 380172-19-0)
- Semaglutide Impurity 131 (CAS 2618647-80-4)
Why CATO?
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