7187-92-0 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 7187-92-0 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 7,1,8 and 7 respectively; the second part has 2 digits, 9 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 7187-92:
(6*7)+(5*1)+(4*8)+(3*7)+(2*9)+(1*2)=120
120 % 10 = 0
So 7187-92-0 is a valid CAS Registry Number.