L-Histidine monohydrate monohydrochloride
Molecular Structure:
MDL:
MFCD00151027
Molecular Formula:
C6H9N3O2·HCl·H2O
Molecular Weight:
209.63
Alias:
L-盐酸组氨酸一水物,盐酸组氨酸
L-α-Amino-β-(4-imidazolyl)propionic acid monohydrochloride
L-Histidine Hydrochloride Monohydrate
H-His-OH.HCl
Product order:
Name |
Specifications |
Packing |
Price |
Delivery |
L-Histidine monohydrate monohydrochloride |
98% |
5g |
RMB 27.5 |
Consulting service |
L-Histidine monohydrate monohydrochloride |
98% |
25g |
RMB 60.5 |
Consulting service |
L-Histidine monohydrate monohydrochloride |
98% |
100g |
RMB 176 |
Consulting service |
L-Histidine monohydrate monohydrochloride |
98% |
500g |
RMB 638 |
Consulting service |
Character:
白色结晶或结晶性粉末,无臭,稍苦酸味。易溶于甲酸,溶于水,不溶于乙醇和乙醚。 水中溶解度:169.9 g/l (20 C)
[a]20/D: 9.9° (c=11, 6 N HCl)
Quality Standard:
外观Appearance 白色结晶或结晶粉末
红外光谱鉴别Infrared spectrometry 和对照品匹配
纯度Purity ≥98.0% (TLC)
水溶解试验Solubility in Water 溶液透明
比旋光度Specific rotation [a]20/D +9.0 ~ +10.3 °(c=11, 6 N HCl)
重金属Heavy metals (as Pb) <10 ppm
硫酸盐灰分Sulfated ash <0.1 %
其它氨基酸Other amino acids <0.5 % (TLC)
干燥损失Loss on drying ≤2.0 %
SO4 < 300 ppm
NH4 < 200 ppm
Fe < 10 ppm
pH 3 - 5 (2.5% 溶液,25°C)
Storage:
用途 组织胺(histamine)的前体物质,依靠组氨酸脱羧酶(histidine decarboxylase)。