187674-16-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 187674-16-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,8,7,6,7 and 4 respectively; the second part has 2 digits, 1 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 187674-16:
(8*1)+(7*8)+(6*7)+(5*6)+(4*7)+(3*4)+(2*1)+(1*6)=184
184 % 10 = 4
So 187674-16-4 is a valid CAS Registry Number.