天天摸日日摸狠狠添,欧美人妻精品一区二区三区 ,强开小婷嫩苞又嫩又紧视频,人妻丰满熟av无码区HD

Chinese   English

Products

Amino Acids

Home >> Products >> L-Histidine methyl ester dihydrochloride
Amino Acids >> Amino acids methyl、ethyl、t-butyl ester hydrochlori >>L-Histidine methyl ester dihydrochloride
NO:
AH019
Product Name:
L-Histidine methyl ester dihydrochloride
CAS NO.:
7389-87-9
Structure:
Product introduction:
Name:  Methyl L-histidinate dihydrochloride
Synonyms:  L-Histidine methyl ester dihydrochloride



Identification
Molecular Formula:  C7H11N3O2.2(HCl)
Molecular Weight:  242.10
CAS Registry Number:  7389-87-9
EINECS:  230-973-9

Properties
Melting point:  207 oC (dec.)
alpha:  9 o (c=2 in H2O)


Specification
Appearance: white to off-white crystalline powder
Assy(HPLC):98.0% min


Package: 25kgs