Best Quality L-Methionine CAS 63-68-3 USP Methionine

• CAS No.: 63-68-3
• Formula: C5h11no2s
• Packaging Material: 25kg/Drum/Bag
• Storage Method: Kept in Dry, Cool, and Shaded Place with Original
• Shelf Life: 3 Years Proper Storage
• Nutrient Composition: Amino Acid
• Model NO.: USP
• Resource: Chemosynthesis
• The content of active substances: ＞90%
• Appearance: White or Light Yellow Crystalline Powder
• Transport Package: 25kg Bag
• Specification: 99%min
• Trademark: AWI
• Origin: China
• Production Capacity: 500metric Ton/Month

Product Description

Product Description

DL-Methionine is one of the basic units for composing the protein, is the only sulfur bearing amino acid among the essential amino acids, it participated in the transmethylation interior the animal body, the phosphorus metabolism and the adrenalin, choline and creatine synthesis, it also is the raw material of the protein and cystine synthesis. Methionine is unable to synthesize in the animal body, must take in from food.

Specifications

Items	Medicine grade	Food grade	Feed grade
Appearance	White or light yellow crystalline powder
Content (%)	99.0~101.0	99.0~100.5	≥98.5
Specific optical rotation	+20.4 °~+21.4 °	+20.7 °~+21.5 °	+18.0° ~ +21.5°
Heavy metal (Pb%)	≤0.0015	≤0.001	≤0.003
PH	5.5~7.5	5.0~6.0	5.0~6.0
Loss on drying (%)	≤0.4	≤0.4	≤1.0
Residue on ignition (%)	≤0.1	≤0.1	≤0.3
Chloride (Cl%)	19.0~19.6	19.12~19.51	19.12~19.51
Arsenic (As2O3%)	≤0.0001	≤0.0001	≤ 0.04
Sulfate (SO4%)	≤0.03	≤0.02	---
Ferric salt (%)	≤0.003	≤0.001	---

Company Profile

Awell Ingredients Co., Ltd is an innovative developer of functional ingredients over 10 years. Headquarters located in high-tech industry development zone, hefei, China.

With a professional R&D and management team, AWI has invested three production base, develops and markets a premier line of nutritional products at providing the highest quality raw material to the global nutraceutical, food and feed industries. Our ingredients keep comply with current FCC, USP, BP, EP, AJI and JP standards.

FAQ

1. What's your payment terms?
T/T, D/P, L/C, O/A
2. What's your delivery time?
Usually we will arrange the shipment within 14 days.
3. How about the packing? 
Usually with 25 kg bag/carton/drum. 
4. How about the validity of the products? 
Usually 2 or 3 years. 
5. What documents you provide? 
Usually, Commerical Invoice, Packing List, Country of Origin, Insurance Policy, Bill of loading, COA , Health certificate. 
6. What is loading port?
Usually, Qingdao, Tianjin and Shanghai