1235715-38-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1235715-38-4 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,3,5,7,1 and 5 respectively; the second part has 2 digits, 3 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 1235715-38:
(9*1)+(8*2)+(7*3)+(6*5)+(5*7)+(4*1)+(3*5)+(2*3)+(1*8)=144
144 % 10 = 4
So 1235715-38-4 is a valid CAS Registry Number.