307545-92-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 307545-92-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 3,0,7,5,4 and 5 respectively; the second part has 2 digits, 9 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 307545-92:
(8*3)+(7*0)+(6*7)+(5*5)+(4*4)+(3*5)+(2*9)+(1*2)=142
142 % 10 = 2
So 307545-92-2 is a valid CAS Registry Number.