946831-42-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 946831-42-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 9,4,6,8,3 and 1 respectively; the second part has 2 digits, 4 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 946831-42:
(8*9)+(7*4)+(6*6)+(5*8)+(4*3)+(3*1)+(2*4)+(1*2)=201
201 % 10 = 1
So 946831-42-1 is a valid CAS Registry Number.