1231948-59-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1231948-59-6 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,3,1,9,4 and 8 respectively; the second part has 2 digits, 5 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 1231948-59:
(9*1)+(8*2)+(7*3)+(6*1)+(5*9)+(4*4)+(3*8)+(2*5)+(1*9)=156
156 % 10 = 6
So 1231948-59-6 is a valid CAS Registry Number.