205671-87-0 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 205671-87-0 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,0,5,6,7 and 1 respectively; the second part has 2 digits, 8 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 205671-87:
(8*2)+(7*0)+(6*5)+(5*6)+(4*7)+(3*1)+(2*8)+(1*7)=130
130 % 10 = 0
So 205671-87-0 is a valid CAS Registry Number.