L-Histidine Methyl Ester Hydrochloride CAS 18684-16-7
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 18684-16-7 |
| Molecular Formula | C7H11N3O2 HCl |
| Molecular Weight | N/A |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
L-Histidine Methyl Ester Hydrochloride (CAS 18684-16-7) is a high-purity pharmaceutical standards reference standard from CATO, an ISO 17034 accredited reference material producer. Molecular formula: C7H11N3O2 HCl. Each batch is supplied with a Certificate of Analysis (COA).
Physical & Chemical Properties
| Molecular Formula | C7H11N3O2 HCl |
| Molecular Weight | 205.64 g/mol |
| Appearance | White to pale yellow crystalline powder. (slight halide-like odor, faint amine-like odor) |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry, keep tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; 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.) | 1962 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 3 |
Related L Standards
- HISTIDINE Impurity 2 (CAS 1141479-01-7)
- DL-Histidine-α- (CAS 15474-90-5)
- D-Histidine Methyl Ester (CAS 17720-12-6)
- HISTIDINE Impurity 6 (CAS 1932060-69-9)
- L-Histidine-13C6,15N3 hydrochloride hydrate (CAS 202468-43-7)
- D-Histidine, 1-[(1,1-dimethylethoxy)carbonyl]-N-[(9H-fluoren-9-ylmethoxy)carbonyl]-, compd. with cyclohexanamine (1:1) (CAS 210755-31-0)
- L-Histidine, 1-methyl-, methyl ester, hydrochloride (1:1) (CAS 256657-21-3)
- L-Histidine, N,N-dimethyl-, sodium salt (1:1) (CAS 2703746-04-5)
Recommended Standards
- 2-Isopropylamino-4’-methylacetophenone Hydrochloride (CAS 23164-08-1)
- 2-Methyl-1H-1,3-benzodiazole Hydrochloride (CAS 1653-75-4)
- tert-Butyl (R)-(4-amino-1-phenylbutan-2-yl)(methyl)carbamate (CAS 1391481-54-1)
- 1-Phenyl-3-(trifluoromethyl)-1H-pyrazol-5-amine (CAS 182923-55-3)
- 2-Hydroxyethyl Icosanoate (CAS 26158-80-5)
- 3-(4-Cyano-3-methyl-1-oxo-1,5-dihydrobenzo[4,5]imidazo[1,2-a]pyridin-2-yl)propanoic acid (CAS 714212-16-5)
- Peptide Impurity 28 (CAS 1350456-64-2)
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 13829788188 / jacky.chen@cato-chem.com