1009769-87-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1009769-87-2 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,0,0,9,7,6 and 9 respectively; the second part has 2 digits, 8 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 1009769-87:
(9*1)+(8*0)+(7*0)+(6*9)+(5*7)+(4*6)+(3*9)+(2*8)+(1*7)=172
172 % 10 = 2
So 1009769-87-2 is a valid CAS Registry Number.