產品資訊 - D-Proline and D-Arginine and D-Lysine and D-Threonine and D-Serine->Amino Acid

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D-Proline and D-Arginine and D-Lysine and D-Threonine and D-Serine

產品分類 :

化學->化學原料->氨基酸

D-Proline and D-Arginine and D-Lysine and D-Threonine and D-Serine

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產品描述

D-Proline and D-Arginine and D-Lysine and D-Threonine and D-Serine
1. D-Proline, CAS No.:344-25-2
Synonyms: (R)-Pyrrolidine-2-carboxylic acid
Molecular Formula C5H9NO2
Specification:
Assay: 98.0% to 101.0%
Specific Rotation 20D: +83.5 to +86.5 Degree (C= H2O)
Chloride (Cl): Not more than 0.10%
Heavy Metals (Pb): Not more than 10 PPM
Loss on Drying: Not more than 0.50%
Residue on ignition: Not more than 0.10%

mutualchem(at)gmail(dot)com

2. D-Arginine
CAS NO.: 157-06-2
Synonyms: H-D-Arg-OH
Molecular Formula: C6H14N4O2
Appearance: White to off white powder
Assay: 98.0 to 101.0%
Melting Point: 241.8 (dec. )
Loss on Drying: 1.0 %
Residue on Ignition (Sulfate): Not more than 0.20%

mutualchem(at)gmail(dot)com

3. D-Lysine
Product Name: D-Lysine
Molecular Formula:C6H14N2O2
CAS No.: :923-27-3
Test Items: Standard
Appearance: White to off-white powder
Assay: 99.0% to 100.5%
Specific Rotation 20D: 20.7 to 21.5 Degree (C=8 in 6N HCl)
Chloride (Cl): 19.12% to 19.51%
Heavy Metals (Pb): Not more than 10 PPM
Loss on Drying: Not more than 0.40%
Residue on ignition: Not more than 0.10%

mutualchem(at)gmail(dot)com

4. D-Threonine
Product Name: D-Threonine
Synonyms:(2R,3S)-2-Amino-3-hydroxybutyric acid
Molecular Formula:C4H9NO3
CAS #:632-20-2

Test Items Standard
Appearance White to off-white powder
Assay 98.0% to 101.0%
Specific Rotation 20/D +27.6 to +29.0 Degree (C=6 in H2O)
Chloride (Cl) Not more than 0.10%
Heavy Metals (Pb) Not more than 10 PPM
Loss on Drying Not more than 0.20%
Residue on Ignition (Sulfated) Not more than 0.20%

mutualchem(at)gmail(dot)com

5. D-Serine
Product Name:D-Serine
Synonyms:beta-Hydroxyalanine
Molecular Formula:C3H7NO3
CAS #:312-84-5

Test Items Standard
Appearance White crystalline powder
Specific Rotation 20/D +14.4 to +15.5 Degree (C=10 in 2N HCl)
Assay 98.5% to 101.0%
Chloride (Cl) Not more than 0.020%
Heavy Metals (Pb) Not more than 10 PPM
Loss on Drying Not more than 0.20%
Residue on ignition Not more than 0.10%

mutualchem(at)gmail(dot)com

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