677334-85-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 677334-85-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 6,7,7,3,3 and 4 respectively; the second part has 2 digits, 8 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 677334-85:
(8*6)+(7*7)+(6*7)+(5*3)+(4*3)+(3*4)+(2*8)+(1*5)=199
199 % 10 = 9
So 677334-85-9 is a valid CAS Registry Number.