1391737-70-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1391737-70-4 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,3,9,1,7,3 and 7 respectively; the second part has 2 digits, 7 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 1391737-70:
(9*1)+(8*3)+(7*9)+(6*1)+(5*7)+(4*3)+(3*7)+(2*7)+(1*0)=184
184 % 10 = 4
So 1391737-70-4 is a valid CAS Registry Number.