207924-87-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 207924-87-6 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,0,7,9,2 and 4 respectively; the second part has 2 digits, 8 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 207924-87:
(8*2)+(7*0)+(6*7)+(5*9)+(4*2)+(3*4)+(2*8)+(1*7)=146
146 % 10 = 6
So 207924-87-6 is a valid CAS Registry Number.