131257-50-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 131257-50-6 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,1,2,5 and 7 respectively; the second part has 2 digits, 5 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 131257-50:
(8*1)+(7*3)+(6*1)+(5*2)+(4*5)+(3*7)+(2*5)+(1*0)=96
96 % 10 = 6
So 131257-50-6 is a valid CAS Registry Number.