1217883-03-8 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1217883-03-8 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,1,7,8,8 and 3 respectively; the second part has 2 digits, 0 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 1217883-03:
(9*1)+(8*2)+(7*1)+(6*7)+(5*8)+(4*8)+(3*3)+(2*0)+(1*3)=158
158 % 10 = 8
So 1217883-03-8 is a valid CAS Registry Number.