16293-80-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 16293-80-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,6,2,9 and 3 respectively; the second part has 2 digits, 8 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 16293-80:
(7*1)+(6*6)+(5*2)+(4*9)+(3*3)+(2*8)+(1*0)=114
114 % 10 = 4
So 16293-80-4 is a valid CAS Registry Number.
16293-80-4Relevant articles and documents
Synthesis, Absolute Configuration, and Chiroptical Property of (+)-cis-4b,5,9b,10-Tetrahydroindenoindene-5,10-dione
Ogura, Fumio,Nakao, Akio,Nakagawa, Masazumi
, p. 291 - 292 (1980)
The title compound having the (4bS,9bS) configuration was prepared from (2S,3S)-(+)-2,3-diphenylsuccinic acid, and the circular dichroic property was discussed.