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7389-87-9 - L-Histidine methyl ester dihydrochloride, 98+% - H-His-OMe.2HCl - A12386 - Alfa Aesar

A12386 L-Histidine methyl ester dihydrochloride, 98+%

CAS Number
7389-87-9
Synonyms
H-His-OMe.2HCl

Size Price ($) Quantity Availability
5g 26.01
25g 60.64
100g 174.40
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L-Histidine methyl ester dihydrochloride, 98+%

MDL
MFCD00012701
EINECS
230-973-9

Chemical Properties

Formula
C7H11N3O2•2HCl
Formula Weight
242.11
Melting point
198° dec.
Sensitivity
Hygroscopic
Solubility
Soluble in dimethyl sulfoxide, methanol and water.

Applications

L-Histidine methyl ester dihydrochloride is used to prepare optically pure L-(+)-ergothioneine.

Notes

Keep container tightly sealed. Store in cool, dry conditions in well sealed containers. Incompatible with oxidizing agents. It is hygroscopic in nature. Store under dry inert gas.

Literature References

Vilchiz, V. H.; Norman, R. E.; Chang, S. C. L-Histidine methyl ester dihydrochloride. Acta Crystallographica Section C: Crystal Structure Communications. 1998, 52 (3), 696-698.

Gonsago, C. A.; Albert, H. M.; Malliga, P.;Pragasam, A. J. A. Crystallization, spectral, and thermal characterization of l-histidine methyl ester dihydrochloride (LHMED). Journal of thermal analysis and calorimetry. 2011, 107 (3), 1231-1235.

GHS Hazard and Precautionary Statements

Hazard Statements: H315-H319-H335

Causes skin irritation. Causes serious eye irritation. May cause respiratory irritation.

Precautionary Statements: P261-P280-P305+P351+P338-P304+P340-P362-P312-P321-P405-P403+P233-P501a

Avoid breathing dust/fume/gas/mist/vapours/spray. Wear protective gloves/protective clothing/eye protection/face protection. IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing. IF INHALED: Remove to fresh air and keep at rest in a position comfortable for breathing. Take off contaminated clothing and wash before reuse. Call a POISON CENTER or doctor/physician if you feel unwell. Specific treatment (see label). Store locked up. Store in a well-ventilated place. Keep container tightly closed. Dispose of contents/container in accordance with local/regional/national/international regulations.

Other References

Beilstein
3572010
Harmonized Tariff Code
2933.29
TSCA
No

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