802907-52-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 802907-52-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 8,0,2,9,0 and 7 respectively; the second part has 2 digits, 5 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 802907-52:
(8*8)+(7*0)+(6*2)+(5*9)+(4*0)+(3*7)+(2*5)+(1*2)=154
154 % 10 = 4
So 802907-52-4 is a valid CAS Registry Number.