38217-11-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 38217-11-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 3,8,2,1 and 7 respectively; the second part has 2 digits, 1 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 38217-11:
(7*3)+(6*8)+(5*2)+(4*1)+(3*7)+(2*1)+(1*1)=107
107 % 10 = 7
So 38217-11-7 is a valid CAS Registry Number.