1027781-88-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1027781-88-9 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,0,2,7,7,8 and 1 respectively; the second part has 2 digits, 8 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 1027781-88:
(9*1)+(8*0)+(7*2)+(6*7)+(5*7)+(4*8)+(3*1)+(2*8)+(1*8)=159
159 % 10 = 9
So 1027781-88-9 is a valid CAS Registry Number.