1217603-45-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1217603-45-6 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,1,7,6,0 and 3 respectively; the second part has 2 digits, 4 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 1217603-45:
(9*1)+(8*2)+(7*1)+(6*7)+(5*6)+(4*0)+(3*3)+(2*4)+(1*5)=126
126 % 10 = 6
So 1217603-45-6 is a valid CAS Registry Number.