70209-37-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 70209-37-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,0,2,0 and 9 respectively; the second part has 2 digits, 3 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 70209-37:
(7*7)+(6*0)+(5*2)+(4*0)+(3*9)+(2*3)+(1*7)=99
99 % 10 = 9
So 70209-37-9 is a valid CAS Registry Number.