16218-31-8 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 16218-31-8 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,6,2,1 and 8 respectively; the second part has 2 digits, 3 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 16218-31:
(7*1)+(6*6)+(5*2)+(4*1)+(3*8)+(2*3)+(1*1)=88
88 % 10 = 8
So 16218-31-8 is a valid CAS Registry Number.
InChI:InChI=1/C14H7IO2/c15-8-5-6-10-9-3-1-2-4-11(9)13(16)14(17)12(10)7-8/h1-7H