298-65-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 298-65-7 includes 6 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 3 digits, 2,9 and 8 respectively; the second part has 2 digits, 6 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 298-65:
(5*2)+(4*9)+(3*8)+(2*6)+(1*5)=87
87 % 10 = 7
So 298-65-7 is a valid CAS Registry Number.
InChI:InChI=1/C21H30O4/c1-20-8-6-15-13(14(20)3-4-16(20)19(25)11-22)10-18(24)17-9-12(23)5-7-21(15,17)2/h9,13-16,18,22,24H,3-8,10-11H2,1-2H3/t13-,14-,15-,16+,18+,20-,21+/m0/s1