70844-49-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 70844-49-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,0,8,4 and 4 respectively; the second part has 2 digits, 4 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 70844-49:
(7*7)+(6*0)+(5*8)+(4*4)+(3*4)+(2*4)+(1*9)=134
134 % 10 = 4
So 70844-49-4 is a valid CAS Registry Number.