90409-78-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 90409-78-2 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,0,4,0 and 9 respectively; the second part has 2 digits, 7 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 90409-78:
(7*9)+(6*0)+(5*4)+(4*0)+(3*9)+(2*7)+(1*8)=132
132 % 10 = 2
So 90409-78-2 is a valid CAS Registry Number.
InChI:InChI=1/C17H16O6.C10H18O4/c18-16(19)12-2-6-14(7-3-12)22-10-1-11-23-15-8-4-13(5-9-15)17(20)21;11-9(12)7-5-3-1-2-4-6-8-10(13)14/h2-9H,1,10-11H2,(H,18,19)(H,20,21);1-8H2,(H,11,12)(H,13,14)