55549-70-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 55549-70-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,5,5,4 and 9 respectively; the second part has 2 digits, 7 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 55549-70:
(7*5)+(6*5)+(5*5)+(4*4)+(3*9)+(2*7)+(1*0)=147
147 % 10 = 7
So 55549-70-7 is a valid CAS Registry Number.