High quality factory price L-Methionine CAS 63-68-3 L Methionine Dl-Methionine CAS NO.63-68-3

Min.Order: 1 Kilogram
Payment Terms: L/C,T/T,Other

Product Details

Keywords

L Methionine
Dl-Methionine
L-Methionine

Quick Details

ProName: High quality factory price L-Methionin...
CasNo: 63-68-3
Molecular Formula: C5H11NO2S
Appearance: white powder
Application: For pharmaceutical
DeliveryTime: as customers request
PackAge: 1-5KG/Tin or Bag,25KG/Drum, 200KG/Drum
Port: any port in China
ProductionCapacity: 1000 Metric Ton/Year
Purity: >99%
Storage: Cool Dry Place
Transportation: by sea or by air
LimitNum: 1 Kilogram

Superiority

1)Quick Response Within 12 hours;
2)Quality Guarantee: All products are strictly tested by our QC, confirmed by QA and approved by third party lab in China, USA, Canada, Germany, UK, Italy, France etc.
3) OEM/ODM Available;
4) Reasonable & Competitive Price;
5) Fast Delivery: Samples from stock; bulk products within 7 days;
6) Professional Documents for Your Clearance;
7) Economic Freight Save Your Cost;
8) All your money be refund immediately if quality issue happens.

Details

Basic information

Chemical Name: L-Histidine hydrochloride monohydrate
CAS No.: 5934-29-2
Molecular Fomula:C6H12ClN3O3
Molecular weight: 209.63
Appearance: white powder
Assay:99~101%

L-methionine, also known as L-methionine, is the left-hand form of methionine, chemical formula is C5H11NO2S, chemical properties for colorless or white shiny flake crystal or white crystalline powder, slightly with a special smell, slightly bitter taste.Melting point 280 ~ 281ºC.Instable to strong acids, which can lead to demethylation.Soluble in water (5.6g/100mL,30ºC), warm dilute ethanol, alkaline solution or dilute inorganic acid.Insoluble in ethanol and almost insoluble in ether.Toxicity: LD50 29mmol/kg (rats, intraperitoneal injection).

Food Grade:

Item	AJI92	USP32	USP40
Description	White crystals or crystalline powder	---	---
Identification	Conform	Conform	Conform
Assay	99.0%~100.5%	98.5%~101.5%	98.5%~101.5%
pH	5.6~6.1	5.6~6.1	5.66.1
Transmittance	≥98.0%	---	---
Loss on drying	≤0.20%	≤0.3%	≤0.3%
Residue on ignition	≤0.10%	≤0. 4%	≤0. 4%
Chloride	≤0.020%	≤0.05%	≤0.05%
Heavy Metals	≤10ppm	≤15ppm	≤15ppm
Iron	≤10ppm	≤30ppm	≤30ppm
Sulfate	≤0.020%	≤0.03%	≤0.03%
Ammonium	≤0.02%	---	---
Other amino acids	Conforms	Conforms	Conforms
Pyrogen	Conforms	---	--
Specific Rotation	+23.0° ~ +25.0°	+22.4º~+24.7º	+22.4º~+24.7º

Feed Grade:

L-Methionine	AJI92	USP32	USP40
Description	White crystals or crystalline powder	---	---
Identification	Conform	Conform	Conform
Assay	99.0%~100.5%	98.5%~101.5%	98.5%~101.5%
pH	5.6~6.1	5.6~6.1	5.66.1
Transmittance	≥98.0%	---	---
Loss on drying	≤0.20%	≤0.3%	≤0.3%
Residue on ignition	≤0.10%	≤0. 4%	≤0. 4%
Chloride	≤0.020%	≤0.05%	≤0.05%
Heavy Metals	≤10ppm	≤15ppm	≤15ppm
Iron	≤10ppm	≤30ppm	≤30ppm
Sulfate	≤0.020%	≤0.03%	≤0.03%
Endotoxin	---	---	---
Ammonium	≤0.02%	---	---
Other amino acids	Conforms	Conforms	Conforms
Pyrogen	Conforms	---	--
Hydrolyzable substances	---	---	---
Specific Rotation	+23.0° ~ +25.0°	+22.4º~+24.7º	+22.4º~+24.7º

Pharma Grade:

Item	USP32	USP40
Identification	Conform	Conform
Assay	98.5%~101.5%	98.5%~101.5%
pH	5.6~6.1	5.66.1
Loss on drying	≤0.3%	≤0.3%
Residue on ignition	≤0. 4%	≤0. 4%
Chloride	≤0.05%	≤0.05%
Heavy Metals	≤15ppm	≤15ppm
Iron	≤30ppm	≤30ppm
Sulfate	≤0.03%	≤0.03%
Other amino acids	Conforms	Conforms
Specific Rotation	+22.4º~+24.7º	+22.4º~+24.7º

Packaging & Delivery

By Express(Fedex,TNT,DHL,EMS)	By Air	By Sea
Suitable for under 50kg	Suitable for more than 50kg	Suitable for more than 500kg
Fast: 3-7 days	Fast: 3-7 days	Slow: 3-10 days
High cost	Medium cost	Low cost
Door to door service	Port to port service	Port to port service