844902-68-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 844902-68-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 8,4,4,9,0 and 2 respectively; the second part has 2 digits, 6 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 844902-68:
(8*8)+(7*4)+(6*4)+(5*9)+(4*0)+(3*2)+(2*6)+(1*8)=187
187 % 10 = 7
So 844902-68-7 is a valid CAS Registry Number.