Sinoway Industrial Co., Ltd.

L-Cysteine base 52-90-4 L-Cysteine base 52-90-4

L-Cysteine base 52-90-4
Related Products
  • NanoActive alpha lipoic acid (ALA) 1077-28-7

    1.Basic information of NanoActive alpha lipoic acidProduct Name: NanoActive alpha lipoic acid (ALA)Other Names: NanoActive THIOOCTIC ACIDAppearance: yellow, viscous and transparent liquidTest Method: ...

  • NanoActive Astaxanthin 472-61-7

    1.Basic information of NanoActive AstaxanthinProduct Name: NanoActive AstaxanthinOther Names: NanoActive AstaAppearance: reddish to dark red, viscous and transparent liquidTest Method: HPLCCAS NO.: 47...

  • NanoActive Curcumin 458-37-7

    1.Basic information of NanoActive CurcuminProduct Name: NanoActive CurcuminOther Names: NanoActive turmeric extractAppearance: yellow, viscous and transparent liquidTest Method: HPLCCAS NO.: 458-37-7S...

Basic information of  L-Cysteine base

Name

 L-Cysteine base

Alias

 H-CYS-OH; H-Cys-OH; CYSH; FEMA 3263; Cystein;
L-Cysteine; E 920; L-Cys; CYSTEINE; (R)-2-Amino-3-mercaptopropionic acid;
CYS; Thioserine

CAS NO.

52-90-4

Molecular Formula

C3H7NO2S

Molecular Weight

121.15800

Quality Standard

98% min; AJI92, USP

Grade Standard

Food grade, Cosmetic grade, Medicine grade

Package Size

25kg/drum

 Use of  L-Cysteine base

  • L-Cysteine is widely used in fields of medicine, food processing, biological study, materials of chemical industry and so on.
  • Used in the cure of liver disease, antioxidant and antidote
  • Also used in cosmetic. It promotes the form of glutelin and prevents from getting ageing.

COA of  L-Cysteine base

 ITEMS  

 SPECIFICATION  

 DESCRIPTION  

 WHITE CRYSTALS OR CRYSTALLINE POWDER  

 IDENTIFICATION  

 INFRARED ABSORPTION SPECTRUM  

 SPECIFIC ROTATION[α]D20°  

 +8.3°-- +9.5°  

 STATE OF SOLUTION  

 ≥95.0%  

 CHLORIDE(Cl)  

 ≤0.040%  

 AMMONIUM(NH4)  

 ≤0.02%  

 SULFATE(SO4)  

 ≤0.030%  

 IRON(Fe)  

 ≤10PPM  

 HEAVY METALS(Pb)  

 ≤10PPM  

 ARSENIC(As2O3)  

 ≤1PPM  

 OTHER AMINO ACIDS  

 CHROMATOGRAPHICALLY NOT DETECTABLE  

 LOSS ON DRYING  

 ≤0.5%  

 RESIDUE ON IGNITION (SULFATED)  

 ≤0.1%  

 ASSAY  

 98.0%-101.0%  

 PH  

 4.5-5.5  

 PARTICLE SIZE  

 100MESH  

 CONCLUSION:CONFORM WITH AJI92 /USP25  

 


  • L-Glutathione Reduced (GSH) 70-18-8
    L-Glutathione ReducedBasic information of L-Glutathione Reduced:Product name: L-Glutathione ReducedMolecular Formula : C20H32N6O12S2Molecular Weight: 612.63CAS No.:70-18-8ENIECE No: 200-725-4Appearanc... L-Glutathione Reduced (GSH) 70-18-8
  • Nicotinamide Adenine Dinucleotide NAD 53-84-9
    1. Basic information of Nicotinamide Adenine Dinucleotide NAD 53-84-9:Product nameNicotinamide Adenine Dinucleotide (NAD/NAD+)Other namesNAD, beta-NAD, NAD+, beta- Nicotinamide Adenine Dinucleotide ,N... Nicotinamide Adenine Dinucleotide NAD 53-84-9
  • Chicken Collagen Type II 9064-67-9
    Basic information of Chicken Collagen type IIName Chicken Collagen type IIAlias H-CYS-OH; H-Cys-OH; CYSH; FEMA 3263; Cystein;L-Cysteine; E 920; L-Cys; CYSTEINE; (R)-2-Amino-3-mercaptopropionic acid; ... Chicken Collagen Type II 9064-67-9
  • Magnesium L-Theorate 778571-57-6
    Basic information of Magnesium L-TheorateName Magnesium L-TheorateAliasBis[(2R,3S)-2,3,4-trihydroxybutanoato-alphaO, alphaO']magnesiumL-THREONICACIDMAGNESIUMSALTCAS NO.778571-57-6Molecular FormulaC8H... Magnesium L-Theorate 778571-57-6

MORE_DETAIL L-Cysteine base 52-90-4

Basic information of  L-Cysteine base

Name

 L-Cysteine base

Alias

 H-CYS-OH; H-Cys-OH; CYSH; FEMA 3263; Cystein;
L-Cysteine; E 920; L-Cys; CYSTEINE; (R)-2-Amino-3-mercaptopropionic acid;
CYS; Thioserine

CAS NO.

52-90-4

Molecular Formula

C3H7NO2S

Molecular Weight

121.15800

Quality Standard

98% min; AJI92, USP

Grade Standard

Food grade, Cosmetic grade, Medicine grade

Package Size

25kg/drum

 Use of  L-Cysteine base

  • L-Cysteine is widely used in fields of medicine, food processing, biological study, materials of chemical industry and so on.
  • Used in the cure of liver disease, antioxidant and antidote
  • Also used in cosmetic. It promotes the form of glutelin and prevents from getting ageing.

COA of  L-Cysteine base

 ITEMS  

 SPECIFICATION  

 DESCRIPTION  

 WHITE CRYSTALS OR CRYSTALLINE POWDER  

 IDENTIFICATION  

 INFRARED ABSORPTION SPECTRUM  

 SPECIFIC ROTATION[α]D20°  

 +8.3°-- +9.5°  

 STATE OF SOLUTION  

 ≥95.0%  

 CHLORIDE(Cl)  

 ≤0.040%  

 AMMONIUM(NH4)  

 ≤0.02%  

 SULFATE(SO4)  

 ≤0.030%  

 IRON(Fe)  

 ≤10PPM  

 HEAVY METALS(Pb)  

 ≤10PPM  

 ARSENIC(As2O3)  

 ≤1PPM  

 OTHER AMINO ACIDS  

 CHROMATOGRAPHICALLY NOT DETECTABLE  

 LOSS ON DRYING  

 ≤0.5%  

 RESIDUE ON IGNITION (SULFATED)  

 ≤0.1%  

 ASSAY  

 98.0%-101.0%  

 PH  

 4.5-5.5  

 PARTICLE SIZE  

 100MESH  

 CONCLUSION:CONFORM WITH AJI92 /USP25  

 

Leave a Message Email Us

We will contact you within 24 hours.

  • TEL:+86-0592-5853819
  • FAX:+86-0592-5854960
  • EMAIL: xie@china-sinoway.com
  • ADDRESS:Floor 16, Huicheng Business Center, No. 839, Xiahe Rd., Siming Dist. Xiamen, Fujian, China
//