1256291-02-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1256291-02-7 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,5,6,2,9 and 1 respectively; the second part has 2 digits, 0 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 1256291-02:
(9*1)+(8*2)+(7*5)+(6*6)+(5*2)+(4*9)+(3*1)+(2*0)+(1*2)=147
147 % 10 = 7
So 1256291-02-7 is a valid CAS Registry Number.