1285387-84-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1285387-84-9 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,8,5,3,8 and 7 respectively; the second part has 2 digits, 8 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 1285387-84:
(9*1)+(8*2)+(7*8)+(6*5)+(5*3)+(4*8)+(3*7)+(2*8)+(1*4)=199
199 % 10 = 9
So 1285387-84-9 is a valid CAS Registry Number.