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Shanghai Exquisite Biochemical Co., Ltd

Worldwide Headquarters:

Add:11th Floor, Building 4, Zhonghao International Business Center, No.672 Xintang Road, Hangzhou, China

Tel: 0086-18069831891/ 0086-571- 86815103

Email: sales@globalchemmall.com

Shanghai office:

Add:1st Floor, Building 1, No 508, Chuanhong Road, Pudong New Area, Shanghai, China.

Tel:+86-18616812527

Email: jamesli@ebiochemical.com




  • L-Isoleucine
  • Purity: 99%
  • Capacity: 1000mt/month
  • Package:25kg
  • Shipment: immediately
  • Payment: T/T, LC , DA, DP, Credit Card, Paypal
  • Email : jamesli@ebiochemical.com
  • Tel : +86-18616812527

Product infoSDS

L-Isoleucine


Product Name: L-Isoleucine 
Molecular Formula: C6H13NO2
Molecular Weight: 131.17
CAS No: 73-32-5

L-Isoleucine CP2015 ( Injection Grade ) USP24 USP38 AJI92 EP8
Assay ≥98.5% 98.5-101.5% 98.5-101.5% 98.5~101.0% 98.5-101.0%
PH 5.5-6.5 5.5-7.0 5.5-7.0 5.5-6.5 /
Specific rotation[a]D20 +38.9°-+41.8° / / +39.5~+41.5° +40.0-+43.0
Specific rotation[a]D25 / +38.9°-+41.8° +38.9°-+41.8° / /
Transmittance(T430) ≥98.0% / / ≥98.0% clear & colorless ≤BY6
Chloride(Cl) ≤0.02% ≤0.05% ≤0.05% ≤0.02% ≤0.02%
Ammonium(NH4) ≤0.02% / / ≤0.02% /
Sulfate(SO4) ≤0.02% ≤0.03% ≤0.03% ≤0.02% ≤0.03%
Iron(Fe) ≤10PPM ≤30PPM ≤30PPM ≤10PPM ≤10PPM
Heavy metals(Pb) ≤10PPM ≤15PPM ≤15PPM ≤10PPM ≤10PPM
Arsenic ≤1PPM ≤1.5PPM / ≤1PPM /
Other amino acids ≤0.5% / individual impurities≤0.5%   total impurities≤2.0% ≤0.5% /
Ninhydrin-positive substances / / / / conform
Loss on drying ≤0.20% ≤0.30% ≤0.30% ≤0.20% ≤0.5%
Residue on ignition ≤0.10% ≤0.30% ≤0.30% ≤0.10% ≤0.10%
Organic volatile impurities / conforms / / /
Endotoxin <20EU/g / / / /


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