13778-38-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 13778-38-6 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,3,7,7 and 8 respectively; the second part has 2 digits, 3 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 13778-38:
(7*1)+(6*3)+(5*7)+(4*7)+(3*8)+(2*3)+(1*8)=126
126 % 10 = 6
So 13778-38-6 is a valid CAS Registry Number.