| post date: | nov 30,2021 |
| expiry date: | nov 30,2022 |
| detailed description: |
cas no. :61-90-5
payment method: t/t product name: h-leu-oh cas#: 61-90-5 synonyms: l-leucine molecular formula: c6h13no2 molecular weight: 131.17 reference standard: aji92 specifications: item standard appearance white crystals or crystalline powder specific rotation[α]20/d (c=4 in 6n hcl) +14.9 to +16.0° state of solution (transmittance) clear and colorless not less than 98.0% chloride (cl) not more than 0.020% ammonium (nh4) not more than 0.02% sulfate (so4) not more than 0.020% iron (fe) not more than 10ppm heavy metal(pb) not more than 10ppm arsenic(as2o3) not more than 1ppm other amino acids chromatographically not detectable loss on drying not more than 0.20% residue on ignition(sulfated) not more than 0.10% assay 98.5 to100.5% ph 5.5 to 6.5 |
| cas registry number: | 61-90-5 |
| synonyms: | ;(s)-2-amino-4-methylpentanoic acid;h-leu-oh;l-leu;l(+)leucine;leucine; |
| molecular formula: | c6h13no2 |
| molecular weight: | 131.17 |
| molecular structure: | 
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| safety description: | s24/25:; |
