202415-77-8 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 202415-77-8 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,0,2,4,1 and 5 respectively; the second part has 2 digits, 7 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 202415-77:
(8*2)+(7*0)+(6*2)+(5*4)+(4*1)+(3*5)+(2*7)+(1*7)=88
88 % 10 = 8
So 202415-77-8 is a valid CAS Registry Number.