677274-34-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 677274-34-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 6,7,7,2,7 and 4 respectively; the second part has 2 digits, 3 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 677274-34:
(8*6)+(7*7)+(6*7)+(5*2)+(4*7)+(3*4)+(2*3)+(1*4)=199
199 % 10 = 9
So 677274-34-9 is a valid CAS Registry Number.