1217608-75-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1217608-75-7 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 8 respectively; the second part has 2 digits, 7 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 1217608-75:
(9*1)+(8*2)+(7*1)+(6*7)+(5*6)+(4*0)+(3*8)+(2*7)+(1*5)=147
147 % 10 = 7
So 1217608-75-7 is a valid CAS Registry Number.