L-Histidine Methyl Ester Hydrochloride CAS 18684-16-7
| CAS No. | 18684-16-7 |
| Molecular Formula | C7H11N3O2 |
| Molecular Weight | N/A |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Based on its molecular formula C7H11N3O2HCl, L-Histidine Methyl Ester Hydrochloride contains an amide group, a carboxylic acid group, a hydroxyl group, an ether linkage, chlorine substitution; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 205.64 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. Halogen substitution (F/Cl/Br/I) produces a distinctive isotope pattern in mass spectrometry, a valuable aid for qualitative confirmation.
L-Histidine Methyl Ester Hydrochloride (CAS 18684-16-7) is a high-purity analytical reference standard with the molecular formula C7H11N3O2HCl and a molecular weight of 205.64 g/mol.
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 L-Histidine Methyl Ester 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 | 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)
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- N-(2,2-dimethylthietan-3-yl)but-2-ynamide (CAS 1862543-99-4)
- 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
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