L-leucine 61-90-5
Date：2021-12-01 Categories：related product
| 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: |
|
| Safety Description: |
S24/25:; |
