1258500-12-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1258500-12-7 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,5,8,5,0 and 0 respectively; the second part has 2 digits, 1 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 1258500-12:
(9*1)+(8*2)+(7*5)+(6*8)+(5*5)+(4*0)+(3*0)+(2*1)+(1*2)=137
137 % 10 = 7
So 1258500-12-7 is a valid CAS Registry Number.