L-Threonine 98.5-101.5% (dried basis) USP, Multi-Compendial
Catalog # MACR4947-06
Supplier: MACRON AVANTOR BRAND
CAS Number:
Specifications
- Pk:1 kg
- Seq:4024
- Environmentally Preferable:
Specifications
Specification Test Results
- USP - Assay (C₄H₈NO₃) (dried basis):98.5 - 101.5 %
- USP - Identification:Passes Test
- USP - Specific Rotation [Å]²⁵ ^D:-29.1 - -26.7 Degree
- USP - pH:5.0 - 6.5
- 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 (C₄H₈NO₃) (dried basis):99.0 - 101.0 %
- EP/BP - Identification A:Passes Test
- EP/BP - Identification B:Passes Test
- EP/BP - Appearance of Solution:Passes Test
- EP/BP - pH:5.0 - 6.5
- EP/BP - Specific Rotation [Å]²º^D:-29.0 - -27.6 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 (C₄H₈NO₃) (dried basis):98.5 - 101.0 %
- JP - Identification:Passes Test
- JP - Optical Rotation:-29.0 - -26.0 Degree
- JP - pH:5.2 - 6.2
- JP - Clarity and Color of Solution:Passes Test
- JP - Chloride (Cl):≤ 0.021 %
- JP - Sulfate (SO₄):≤ 0.028 %
- JP - Ammonium (NH₄):≤ 0.02 %
- JP - Heavy Metals (as Pb):≤ 20 ppm
- JP - Arsenic (As):≤ 2 ppm
- JP - Related Substances:Passes Test
- JP - Loss on Drying at 105°C:≤ 0.20 %
- JP - Residue on Ignition:≤ 0.10 %
Specification Test Results
About this item
Synonyms: (2S,3R)-(-)-Threonine, H-Thr-OH, (2S,3R)-2-Amino-3-hydroxybutyric acid
:
:119.12 g/mol
:Management of Change (MOC) category = R
Storage Temperature:Ambient
EINECS:200-774-1
CAS Number:72-19-5
Formula:C₄H₉NO₃
MDL Number:MFCD00064270