70590-54-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 70590-54-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,0,5,9 and 0 respectively; the second part has 2 digits, 5 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 70590-54:
(7*7)+(6*0)+(5*5)+(4*9)+(3*0)+(2*5)+(1*4)=124
124 % 10 = 4
So 70590-54-4 is a valid CAS Registry Number.