1533399-37-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1533399-37-9 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,5,3,3,3,9 and 9 respectively; the second part has 2 digits, 3 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 1533399-37:
(9*1)+(8*5)+(7*3)+(6*3)+(5*3)+(4*9)+(3*9)+(2*3)+(1*7)=179
179 % 10 = 9
So 1533399-37-9 is a valid CAS Registry Number.