L-Threonine CAS 72-19-5

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CAS: 72-19-5

MF: C₄H₉NO₃

MW: 119.12

Product Categories	Amino Acids, Biochemicals, Reagents for Cell Culture, Cosmetic Raw Materials
CAS RN	72-19-5
Alternative CAS RN	-
EC Number	200-774-1
MDL Number	MFCD00064270
Storage Temperature	+20°C
Shipping Temperature	Ambient
Harmonised Tariff Code	2922500025

Physical Description	White or almost white crystalline powder or flakes
Assay	99.0 - 101.0 %
Chloride (Cl)	≤ 0.02%
Ammonium (NH4)	≤ 0.02%
Sulphate (SO4)	≤ 0.02%
Iron (Fe)	≤ 10ppm
Heavy Metals	≤ 10ppm
Arsenic (As2O3)	≤ 1ppm
Loss on Drying	≤ 0.2%
pH	EP, USP: 5.0 - 6.5, AJI: 5.2 - 6.2
Specific Optical Rotation	EP, AJI: -29.0 to -27.6 °, USP: -29.1 to -26.7 °
Lead (Pb)	≤ 3ppm
Mercury (Hg)	≤ 0.1ppm
Cadmium (Cd)	≤ 1ppm
Any Individual Impurity	≤ 0.5%
Total Impurities	≤ 2.0%
Residue on Ignition	≤ 0.10%
Pharmacopoeia Specification(s)	Conforms to EP, USP, AJI
Specification Version	1.0