672307-44-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 672307-44-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 6,7,2,3,0 and 7 respectively; the second part has 2 digits, 4 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 672307-44:
(8*6)+(7*7)+(6*2)+(5*3)+(4*0)+(3*7)+(2*4)+(1*4)=157
157 % 10 = 7
So 672307-44-7 is a valid CAS Registry Number.