| Customization: | Available |
|---|---|
| Type: | Histidine |
| Chemical Character: | Alkalinity |
|
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Histidine is abbreviated as His or H, an alpha amino acid bound to an imidazole functional group. It is one of the 20 most common amino acids found in proteins. Initially thought to be necessary only for infants and young children, longer-term studies have shown that it is also an essential amino acid for adults. The isoelectric point is 7.59. It is a basic amino acid and has a positive charge under physiological conditions. His synthetic codons are CAU and CAC. It can be used as biochemical reagents and medicines, and can also be used as drugs for treating heart disease, anemia, rheumatoid arthritis, etc.
| Product Name: | L-Histidine |
| Synonyms: | (s)-1h-imidazole-4-alanin;(s)-1h-imidazole-4-propanoicaci;(s)-4-(2-amino-2-carboxyethyl)imidazole;(s)-alpha-amino-1h-imidazole-4-propanoicacid;1H-Imidazole-4-propanoic acid, alpha-amino-, (S)-;3-(1h-imidazol-4-yl)-l-alanin;4-(2-Amino-2-carboxyethyl)imidazole;L-HISTIDINE BASE |
| CAS: | 71-00-1 |
| MF: | C6H9N3O2 |
| MW: | 155.15 |
| EINECS: | 200-745-3 |
| Product Categories: | Amino Acids;Histidine [His, H];Amino Acids and Derivatives;alpha-Amino Acids;Biochemistry;Nutritional Supplements;Amino Acids;amino |
| Mol File: | 71-00-1.mol |
|
Testing Items |
Specifications |
Results |
|
Appearance |
White crystals or crystalline powder |
Complies |
|
Assay |
98.5%~101.5% |
99.6% |
|
Residue on Ignition |
NMT 0.4% |
0.07% |
|
Chloride |
NMT 0.05% |
<0.05% |
|
Sulfate |
NMT 0.03% |
<0.03% |
|
Iron |
NMT 30ppm |
<30ppm |
|
Related Compounds |
NMT 0.5% of any individual impurity is found; NMT 2.0% of total impurities is found |
Complies |
|
Specific rotation[a] D20 |
+12.6°~ +14.0° |
+12.9° |
|
PH |
7.0~8.5 |
7.8 |
|
Loss on drying |
NMT 0.2% |
0.11% |
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