1217715-88-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1217715-88-2 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,1,7,7,1 and 5 respectively; the second part has 2 digits, 8 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 1217715-88:
(9*1)+(8*2)+(7*1)+(6*7)+(5*7)+(4*1)+(3*5)+(2*8)+(1*8)=152
152 % 10 = 2
So 1217715-88-2 is a valid CAS Registry Number.