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Chinese Professional D-(-)-Tartaric Acid Diethyl Ester - D-(+)-Malic Acid CAS 636-61-3 Purity ≥99.0% (HPLC) Optical Purity ≥99.0% Factory High Quality – Ruifu Featured Image
  • Chinese Professional D-(-)-Tartaric Acid Diethyl Ester - D-(+)-Malic Acid CAS 636-61-3 Purity ≥99.0% (HPLC) Optical Purity ≥99.0% Factory High Quality – Ruifu

Chinese Professional D-(-)-Tartaric Acid Diethyl Ester - D-(+)-Malic Acid CAS 636-61-3 Purity ≥99.0% (HPLC) Optical Purity ≥99.0% Factory High Quality – Ruifu

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Chinese Professional D-(-)-Tartaric Acid Diethyl Ester - D-(+)-Malic Acid CAS 636-61-3 Purity ≥99.0% (HPLC) Optical Purity ≥99.0% Factory High Quality – Ruifu Detail:

   Manufacturer Supply with High Purity and Stable Quality, Commercial Production 

DL-Malic Acid CAS: 617-48-1    
L-(-)-Malic Acid CAS: 97-67-6 D-(+)-Malic Acid CAS: 636-61-3
Diethyl L-(-)-Malate CAS: 691-84-9 Diethyl D-(+)-Malate CAS: 7554-28-1
Dimethyl L-(-)-Malate CAS: 617-55-0 Dimethyl D-(+)-Malate CAS: 70681-41-3
Chemical Name D-(+)-Malic Acid
Synonyms D-(+)-Apple Acid; (R)-2-Hydroxysuccinic Acid; D-Hydroxybutanedioic Acid
CAS Number 636-61-3
CAT Number RF-CC145
Stock Status In Stock, Production Scale Up to Tons
Molecular Formula C4H6O5
Molecular Weight 134.09
Melting Point 98-102℃ (lit.)
Density 1.60
Water Solubility Soluble
Brand Ruifu Chemical
Item Specifications
Appearance White Crystal or Crystalline Powder, Special Acidity
Purity ≥99.0% (HPLC) (C4H6O5)
Specific Rotation +1.6° ~ +2.6°
Sulfate (SO4) ≤0.03%
Chloride (Cl) ≤0.004%
Arsenic (AS2O3) ≤2.0μg/g
Heavy Metals (Pb) ≤20μg/g
Fumaric Acid ≤1.0%
Maleic Acid ≤0.05%
Residue on Ignition ≤0.10%
State of Solution Pass
Readily Oxidilable Substances Qualified
Optical Purity (e.e%) ≥99.0% (Chiral HPLC)
Test Standard Enterprise Standard
Usage Chiral Compounds; Pharmaceutical Intermediates; Food Additives

Package: Bottle, Aluminum foil bag, Cardboard drum, 25kg/Drum, or according to customer’s requirement.

Storage Condition: Store in sealed containers at cool and dry place; Protect from light, moisture and pest infestation.

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D-(+)-Malic Acid (CAS: 636-61-3) used as an acidulant and flavoring agent, food additive. And it is also used in the place of the less sour citric acid in sour sweets.

D-(+)-Malic Acid (CAS: 636-61-3) is an important four-carbon atoms chiral pool. It is mainly used in many fields including chiral pharmaceuticals, chiral additives and chiral auxiliaries. It is used as chiral pool of chiral synthesis in pharmaceutical and food industries. As an optically active organic acid, it is insubstitutable in asymmetry synthesis of some chiral compounds.

The naturally occuring isomer is the L-form which has been found in apples and many other fruits and plants. Selective α-amino protecting reagent for amino acid derivatives. Versatile synthon for the preparation of chiral compounds including κ-opioid receptor agonists, 1α,25-dihydroxyvitamin D3 analogue, and phoslactomycin B.

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