1620579-32-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1620579-32-9 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,6,2,0,5,7 and 9 respectively; the second part has 2 digits, 3 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 1620579-32:
(9*1)+(8*6)+(7*2)+(6*0)+(5*5)+(4*7)+(3*9)+(2*3)+(1*2)=159
159 % 10 = 9
So 1620579-32-9 is a valid CAS Registry Number.