60639-22-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 60639-22-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 6,0,6,3 and 9 respectively; the second part has 2 digits, 2 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 60639-22:
(7*6)+(6*0)+(5*6)+(4*3)+(3*9)+(2*2)+(1*2)=117
117 % 10 = 7
So 60639-22-7 is a valid CAS Registry Number.