1217047-14-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1217047-14-7 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,1,7,0,4 and 7 respectively; the second part has 2 digits, 1 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 1217047-14:
(9*1)+(8*2)+(7*1)+(6*7)+(5*0)+(4*4)+(3*7)+(2*1)+(1*4)=117
117 % 10 = 7
So 1217047-14-7 is a valid CAS Registry Number.