631900-36-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 631900-36-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 6,3,1,9,0 and 0 respectively; the second part has 2 digits, 3 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 631900-36:
(8*6)+(7*3)+(6*1)+(5*9)+(4*0)+(3*0)+(2*3)+(1*6)=132
132 % 10 = 2
So 631900-36-2 is a valid CAS Registry Number.