919536-21-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 919536-21-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 9,1,9,5,3 and 6 respectively; the second part has 2 digits, 2 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 919536-21:
(8*9)+(7*1)+(6*9)+(5*5)+(4*3)+(3*6)+(2*2)+(1*1)=193
193 % 10 = 3
So 919536-21-3 is a valid CAS Registry Number.