1802087-77-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1802087-77-9 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,8,0,2,0,8 and 7 respectively; the second part has 2 digits, 7 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 1802087-77:
(9*1)+(8*8)+(7*0)+(6*2)+(5*0)+(4*8)+(3*7)+(2*7)+(1*7)=159
159 % 10 = 9
So 1802087-77-9 is a valid CAS Registry Number.