1217340-76-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1217340-76-5 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,1,7,3,4 and 0 respectively; the second part has 2 digits, 7 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 1217340-76:
(9*1)+(8*2)+(7*1)+(6*7)+(5*3)+(4*4)+(3*0)+(2*7)+(1*6)=125
125 % 10 = 5
So 1217340-76-5 is a valid CAS Registry Number.