38347-18-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 38347-18-1 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 3,8,3,4 and 7 respectively; the second part has 2 digits, 1 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 38347-18:
(7*3)+(6*8)+(5*3)+(4*4)+(3*7)+(2*1)+(1*8)=131
131 % 10 = 1
So 38347-18-1 is a valid CAS Registry Number.