1217863-05-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1217863-05-2 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,1,7,8,6 and 3 respectively; the second part has 2 digits, 0 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 1217863-05:
(9*1)+(8*2)+(7*1)+(6*7)+(5*8)+(4*6)+(3*3)+(2*0)+(1*5)=152
152 % 10 = 2
So 1217863-05-2 is a valid CAS Registry Number.