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N-Acetyl-L-Cysteine roy@yccreate.com
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Molecular Structure
Detailed Description
N-Acetyl-L-Cysteine
White crystals or crystalline powder; strongly acid taste.
CAS No.616-91-1
assay 98.5-101.0%
N-Acetyl-L-Cysteine(NAC)
CAS No.616-91-1
Molecule FormulaC5H9NO3S
Molecule Weight163.20
Description:White crystals or crystalline powder; strongly acid taste. Freely soluble in water.Soluble in ethanol, practically insoluble in ether.Solubility(H2O, g/100g):17(20°),80(40°),260(60°)
Manufacture Standards: AJI92,USP26,EP5
assay 98.5-101.0%
Main uses: Cure bronchitis.Used in the cure of liver disease, antioxidant and antidote.
Packing:25kgs/ fiber drum
CHARACTERS
A WHITE CRYSTALLINE POWDER OR COLOURLESS CLYSTALS,FREELY SOLUBLE IN WATER AND IN ALCOHOL,PRACTICALLY INSOLUBLE IN METHYLENE CHLORIDE
INFRARED SPECTRUM
COMPARES TO STANDARD
SPECIFIC ROTATION[α]D20
+21.0 ° TO+27.0 °
IDENTIFICATION REACTION
A DARK VIOLET COLOUR DEVELOPS
MELTING RANGE
104°C TO 110°C
APPEARANCE OF SOLUTION
CLEAR AND COLOURLESS
PH
2.0 TO 2.8
ZINC
NOT MORE THAN 10PPM
HEAVY METALS(Pb)
NOT MOTE THAN 10PPM
RELATED SUBSTANCES
KNOWN IMPURITY ≤ 0.5%
SUM OF UNKNOWN IMPURITY≤ 0.5%
LOSS ON DRYING
NOT MORE THAN1.0%
RESIDUE ON IGNITION
NOT MORE THAN 0.2%
ASSAY
98.0TO101.0%
Our advantage
1. We have experience in exporting steroids, as you know, EU places much emphasis on them, and you must find a experienced partner who will assure you;
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3. Package: Professional packing with professional materials
4. Delivery: We have products in stock, and we will deliver them soon when your PO arrived. Meanwhile we will give you the tracking number in order to make you know the exact location of the products. We will keep track of the product until they arrive you; We choose the best courier service for you, and with the delivery around 5-7 working days.
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