1390657-38-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1390657-38-1 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,3,9,0,6,5 and 7 respectively; the second part has 2 digits, 3 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 1390657-38:
(9*1)+(8*3)+(7*9)+(6*0)+(5*6)+(4*5)+(3*7)+(2*3)+(1*8)=181
181 % 10 = 1
So 1390657-38-1 is a valid CAS Registry Number.