78542-68-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 78542-68-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,8,5,4 and 2 respectively; the second part has 2 digits, 6 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 78542-68:
(7*7)+(6*8)+(5*5)+(4*4)+(3*2)+(2*6)+(1*8)=164
164 % 10 = 4
So 78542-68-4 is a valid CAS Registry Number.
InChI:InChI=1/C22H34O4/c1-2-3-4-5-9-18(23)11-12-19-20-14-16(8-6-7-10-22(25)26)13-17(20)15-21(19)24/h8,17-21,23-24H,2-7,9-10,13-15H2,1H3,(H,25,26)/b16-8+/t17-,18-,19+,20-,21+/m0/s1