374687-89-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 374687-89-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 3,7,4,6,8 and 7 respectively; the second part has 2 digits, 8 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 374687-89:
(8*3)+(7*7)+(6*4)+(5*6)+(4*8)+(3*7)+(2*8)+(1*9)=205
205 % 10 = 5
So 374687-89-5 is a valid CAS Registry Number.