Methyl L-histidinate dihydrochloride
- Product Name
- Methyl L-histidinate dihydrochloride
- CAS No.
- 7389-87-9
- Chemical Name
- Methyl L-histidinate dihydrochloride
- Synonyms
- L-His-OMeHCl;H-His-OMeHCl;L-His-OMe·2HCl;H-HIS-OME 2HCL;H-His-OMe.2HCI;H-L-HIS-OME 2HCL;ester dihydrochL;-Histidine methyL;HISTIDINE-OME 2 HCL;L-Histidine methyl e
- CBNumber
- CB1264687
- Molecular Formula
- C7H13Cl2N3O2
- Formula Weight
- 242.1
- MOL File
- 7389-87-9.mol
Methyl L-histidinate dihydrochloride Property
- Melting point:
- 207 °C (dec.)(lit.)
- alpha
- 9 º (c=2 in H2O)
- refractive index
- 10 ° (C=2, H2O)
- storage temp.
- Inert atmosphere,2-8°C
- solubility
- 100g/l
- form
- Fine Crystalline Powder
- color
- White
- optical activity
- [α]20/D +9.0°, c = 2 in H2O
- Water Solubility
- Soluble in dimethyl sulfoxide, methanol and water.
- Sensitive
- Hygroscopic
- BRN
- 3572010
- InChI
- InChI=1/C7H11N3O2.2ClH/c1-12-7(11)6(8)2-5-3-9-4-10-5;;/h3-4,6H,2,8H2,1H3,(H,9,10);2*1H/t6-;;/s3
- InChIKey
- DWAYENIPKPKKMV-ILKKLZGPSA-N
- SMILES
- C1(N=CNC=1)C[C@H](N)C(=O)OC.Cl.Cl |&1:6,r|
- CAS DataBase Reference
- 7389-87-9(CAS DataBase Reference)
Hazard and Precautionary Statements (GHS)
- Symbol(GHS)
-
- Signal word
- Warning
- Hazard statements
-
H315Causes skin irritation
H319Causes serious eye irritation
H335May cause respiratory irritation
- Precautionary statements
-
P261Avoid breathing dust/fume/gas/mist/vapours/spray.
P304+P340IF INHALED: Remove victim to fresh air and Keep at rest in a position comfortable for breathing.
P305+P351+P338IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.
P405Store locked up.
N-Bromosuccinimide Price
- Product number
- H15403
- Product name
- L-Histidine methyl ester dihydrochloride
- Purity
- 97%
- Packaging
- 25g
- Price
- $96.3
- Updated
- 2025/07/31
- Product number
- H15403
- Product name
- L-Histidine methyl ester dihydrochloride
- Purity
- 97%
- Packaging
- 100g
- Price
- $267
- Updated
- 2025/07/31
- Product number
- H0977
- Product name
- L-Histidine Methyl Ester Dihydrochloride
- Purity
- >98.0%(HPLC)(T)
- Packaging
- 5g
- Price
- $30
- Updated
- 2025/07/31
- Product number
- H0977
- Product name
- L-Histidine Methyl Ester Dihydrochloride
- Purity
- >98.0%(HPLC)(T)
- Packaging
- 25g
- Price
- $75
- Updated
- 2025/07/31
- Product number
- 013214
- Product name
- L-Histidine Methyl Ester Dihydrochloride
- Packaging
- 10g
- Price
- $319
- Updated
- 2021/12/16
Methyl L-histidinate dihydrochloride Chemical Properties,Usage,Production
Chemical Properties
Crystalline
Uses
L-Histidine methyl ester dihydrochloride is used to prepare optically pure L-(+)-ergothioneine.
Uses
Methyl L-histidinate dihydrochloride is used in the preparation of optically pure L-(+)-Ergothioneine.
reaction suitability
reaction type: solution phase peptide synthesis
Synthesis
67-56-1
645-35-2
4467-54-3
Example 1; Synthesis of (R)-2-amino-3-(1H-imidazol-4-yl)propanoic acid methyl ester dihydrochloride was carried out by improving the method reported by Cook et al. In a 200 L Schott glass reactor equipped with an air-driven stirrer, a high-efficiency condenser and a gas introduction port, 12.5 kg of L-histidine hydrochloride monohydrate was suspended in 130 L of methanol. Dry HCl gas was passed into the suspension while the mixture was heated to 55-65 °C until complete dissolution. The passage of HCl gas was continued until saturation, at which point it was stopped. Shortly after the solution was formed, a precipitation of the product began to appear. The mixture is stirred continuously and supplemented with additional passes of HCl gas every 1 hour and 15 minutes; the mixture is heated under mild reflux conditions for 8 hours. After the reaction is complete, it can be kept warm for 6-8 hours. Subsequently, 40 L of ethyl acetate is added, stirred for 1 hour and filtered. The filter cake was washed with 10 L of isopropyl ether and the resulting white crystalline product was air dried. The yield was 95%. The melting point was 102-103 °C (literature value 102-103 °C). Spinodal [α]25D = +3.5° (c=2, H2O).1H NMR (D2O) data: δ 3.4 (t, 2H), 3.9 (s, 3H), 4.5 (s, 2H), 7.4 (s, 1H), 8.5 (s, 1H).
References
[1] Tetrahedron Asymmetry, 2008, vol. 19, # 3, p. 273 - 278
[2] Patent: US2009/93642, 2009, A1. Location in patent: Page/Page column 6; 7
Methyl L-histidinate dihydrochloride Preparation Products And Raw materials
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View Lastest Price from Methyl L-histidinate dihydrochloride manufacturers
- Product
- Methyl L-histidinate dihydrochloride 7389-87-9
- Price
- US $0.00/Kg/Bag
- Min. Order
- 100g
- Purity
- 98.0%min BR
- Supply Ability
- 10000G
- Release date
- 2021-08-23
- Product
- H-L-His-OMe.2Hcl 7389-87-9
- Price
- US $0.00-0.00/kg
- Min. Order
- 1kg
- Purity
- 98%
- Supply Ability
- 1T+
- Release date
- 2024-03-23
- Product
- Methyl L-histidinate dihydrochloride 7389-87-9
- Price
- US $0.00-0.00/KG
- Min. Order
- 1KG
- Purity
- 98%
- Supply Ability
- 1ton
- Release date
- 2022-10-08