38681-47-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 38681-47-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 3,8,6,8 and 1 respectively; the second part has 2 digits, 4 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 38681-47:
(7*3)+(6*8)+(5*6)+(4*8)+(3*1)+(2*4)+(1*7)=149
149 % 10 = 9
So 38681-47-9 is a valid CAS Registry Number.