1239715-03-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1239715-03-7 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,3,9,7,1 and 5 respectively; the second part has 2 digits, 0 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 1239715-03:
(9*1)+(8*2)+(7*3)+(6*9)+(5*7)+(4*1)+(3*5)+(2*0)+(1*3)=157
157 % 10 = 7
So 1239715-03-7 is a valid CAS Registry Number.