70694-72-3 Usage
Description
Chitosan hydrochloride is the chloride salt of an unbranched binary heteropolysaccharide consisting of the two units N-acetyl-D-glucosamine and D-glucosamine, obtained by partial deacetylation of chitin normally leading to a degree of deacetylation of 85% to 95%. Chitin is extracted from the shells of shrimp and crab.
Chemical Properties
White or almost white, fine powder
Check Digit Verification of cas no
The CAS Registry Mumber 70694-72-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,0,6,9 and 4 respectively; the second part has 2 digits, 7 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 70694-72:
(7*7)+(6*0)+(5*6)+(4*9)+(3*4)+(2*7)+(1*2)=143
143 % 10 = 3
So 70694-72-3 is a valid CAS Registry Number.