1217863-10-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1217863-10-9 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,1,7,8,6 and 3 respectively; the second part has 2 digits, 1 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 1217863-10:
(9*1)+(8*2)+(7*1)+(6*7)+(5*8)+(4*6)+(3*3)+(2*1)+(1*0)=149
149 % 10 = 9
So 1217863-10-9 is a valid CAS Registry Number.