L(+)-Histidine USP, Multi-Compendial, J.T.Baker®
Supplier: Avantor
Certificates
About this item
Synonyms: L-3-Imidazol-4-ylalanine, (S)-(+)-Histidine, (S)-2-Amino-3-(4-imidazolyl)propionic acid, H-His-OH, NSC 137773, L-Histidine
CAS Number:71-00-1
:
Formula:C₆H₉N₃O₂
MDL Number:MFCD00064315
:155.16 g/mol
Merck Index:13,04741
Melting Pt:272…273 °C
Density:1.44 g/cm³ (20 °C)
:Management of Change (MOC) category = R
Storage Temperature:Ambient
EINECS:200-745-3
Specifications
- Environmentally Preferable:
Specifications
Specification Test Results
- USP - Assay (C₆H₉N₃O₂) (dried basis):98.5 - 101.5 %
- USP - Identification:Passes Test
- USP - Specific Rotation [Å]²⁵ ^D (+):12.6 - 14.0 Degree
- USP - pH:7.0 - 8.5
- USP - Loss on Drying at 105°C:≤ 0.2 %
- USP - Residue on Ignition:≤ 0.4 %
- USP - Chloride (Cl):≤ 0.05 %
- USP - Sulfate (SO₄):≤ 0.03 %
- USP - Iron (Fe):≤ 0.003 %
- USP - Related Compounds - Individual Impurities:≤ 0.5 %
- USP - Related Compounds - Total Impurities:≤ 2.0 %
- EP/BP - Assay (C₆H₉N₃O₂) (dried basis):98.5 - 101.0 %
- EP/BP - Identification A:Passes Test
- EP/BP - Identification B:Passes Test
- EP/BP - Appearance of Solution:Passes Test
- EP/BP - Specific Rotation [Å]²º^D (+):11.4 - 12.4 Degree
- EP/BP-Ninhydrin-Positive Substances-Each:≤ 0.2 %
- EP/BP-Ninhydrin-Positive Substances-Total Impurities:≤ 0.5 %
- EP/BP - Chloride (Cl):≤ 200 ppm
- EP/BP - Sulfate (SO₄):≤ 300 ppm
- EP/BP - Ammonium (NH₄):≤ 0.02 %
- EP/BP - Iron (Fe):≤ 10 ppm
- EP/BP - Loss on Drying:≤ 0.5 %
- EP/BP - Ash (sulfated):≤ 0.1 %
- JP - Assay (C6H9N3O2) (dried basis):99.0 - 101.0 %
- JP - Ammonium (NH₄):≤ 0.02 %
- JP - Chloride (Cl):≤ 0.021 %
- JP - Clarity and Color of Solution:Passes Test
- JP - Heavy Metals (as Pb):≤ 10 ppm
- JP - Iron (Fe):≤ 10 ppm
- JP - Identification:Passes Test
- JP - Loss on Drying at 105°C:≤ 0.30 %
- JP- Optical Rotation [Å]²º^D (+):11.8 - 12.8 Degree
- JP - Related Substances:Passes Test
- JP - pH:7.0 - 8.5
- JP - Residue on Ignition:≤ 0.10 %
- JP - Sulfate (SO₄):≤ 0.028 %
- Bacterial endotoxins, EU/g:≤ 10
Specification Test Results
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