1393442-37-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1393442-37-9 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,3,9,3,4,4 and 2 respectively; the second part has 2 digits, 3 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 1393442-37:
(9*1)+(8*3)+(7*9)+(6*3)+(5*4)+(4*4)+(3*2)+(2*3)+(1*7)=169
169 % 10 = 9
So 1393442-37-9 is a valid CAS Registry Number.