Cas no for 59-51-8,DL-Methionine ACID Cas number search msds database,online free cas number chemistry search engine,cas number sigma aldrich

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Home > CAS No. Inquiry > 59-51-8

59-51-8

[CAS Name] DL-Methionine

[Formula] C5H11NO2S

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Basica Info

[CAS Name]DL-Methionine
[Alias]DL-2-Amino-4-(methylthio)butyric acid; DL-Methoionine; (+/-)-2-Amino-4-(methylthio)butyric acid; H-DL-Met-OH
[Number]59-51-8
[EINECS]200-432-1
[Formula]C5H11NO2S
[Molecular weight]149.21

59-51-8 Suppliers

Company

Main Products

Hebei Granray Bioproducts Co., Ltd.

DL-methionine USP/BP/FCC 4/AJI97/EP5.0

25kg per drum

Partical Size 20-40mesh and 60-80mesh fine powder

CERTIFICATE OF ANALYSIS

Product Name:DL-Methionine

Lots Quantity:5000KG

Batch No:2012102003

MFG date:2012.10.20

Date of Analysis:2012.05.20

Expiry date: 2014.10.19

Reference standard:USP24

Partical size 60-80mesh

Item

Specifications

Results

Appearance

White crystalline powder

Solubility

Soluble in water, very slightly soluble in 80% ethanol and methanol after 30 minute sonication.

Soluble in water,very slightly soluble in 80% ethanol and methanol after 30 minute sonication.

Assay,% (on ODB)

99.00%-101.00%

99.66% as is 99.93% on ODB

Identification

Positive

Transmittance,%

Not less than 98.0%

98.57%

pH value (2.0% aqueous solution)

5.60 to 6.10

6.05

Melting point

About 270.00°C

261.2°C

Sulphated Ash

0.10% maximum

0.03%

Appearance of solution

Clear and colorless

Clear

Optical rotation

-0.05°C to +0.05°C

0.00°C

Sieve test

80 mesh -45% through minimum

80 mesh-49.10% through

100 mesh -75% on minimum

100 mesh -78.48% on

Conclusion :This product conforms to requirements of USP24 standard.

Product Name:DL-Methionine

Lots Quantity:5000KG

Batch No:2012102003

MFG date:2012.10.20

Date of Analysis:2012.05.20

Expiry date: 2014.10.19

Reference standard:USP24

Partical size 60-80mesh

Item

Specifications

Results

Appearance

White crystalline powder

Solubility

Soluble in water, very slightly soluble in 80% ethanol and methanol after 30 minute sonication.

Soluble in water,very slightly soluble in 80% ethanol and methanol after 30 minute sonication.

Assay,% (on ODB)

99.00%-101.00%

99.66% as is 99.93% on ODB

Identification

Positive

Transmittance,%

Not less than 98.0%

98.57%

pH value (2.0% aqueous solution)

5.60 to 6.10

6.05

Melting point

About 270.00°C

261.2°C

Sulphated Ash

0.10% maximum

0.03%

Appearance of solution

Clear and colorless

Clear

Optical rotation

-0.05°C to +0.05°C

0.00°C

Sieve test

80 mesh -45% through minimum

80 mesh-49.10% through

100 mesh -75% on minimum

100 mesh -78.48% on

Conclusion :This product conforms to requirements of USP24 standard.

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Hebei Granray Bioproducts Co., Ltd.

Quick Details

CAS No.:59-51-8
Other Names:Methionine
MF:C5H11NO2S
EINECS No.:200-432-1
Place of Origin:Hebei, China (Mainland)
Type:Vitamins, Amino Acids and Coenzymes
Grade Standard:Food Grade
Brand Name:RICHAMINO
Model Number:METHF1007
Purity:99-100.5%
Appearance:White flake

Packaging & Delivery

Packaging Details:	25kg fiber drum
Delivery Detail:	10-15days after contract date

Specifications

DL-methionine
GMP factory food grade and pharm grade
directly supply
25kg per drum

DL-methionine

Molecular Formula: C5H11NO2S

Molecular Weight: 149.21

CAS No.: 59-51-8

Appreance: White crystalline powder

Standard: USP26

Description	White crystals or crystalline powder
Identification	Conforms
pH	5.6-6.1
Chloride(CL)	≤0.05%
Sulfate(SO4)	≤0.03%
Other Amino Acids	Conforms
Loss On Drying	≤0.30%
Residue On ignition	≤0.4%
Iron (Fe)	≤0.003%
Heavy Metals (Pb)	Not more than 15ppm
Assay	≥98.5%--101.5%

Application:

Nutritional supplement, nutrition enhancer, dietary supplements, heatlh food additives, pharmaceutical raw material. sport supplements, sport nutrtional supplements, bodybuilding supplement.

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Qingdao BNP BioScience

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