33669-97-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 33669-97-5 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 3,3,6,6 and 9 respectively; the second part has 2 digits, 9 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 33669-97:
(7*3)+(6*3)+(5*6)+(4*6)+(3*9)+(2*9)+(1*7)=145
145 % 10 = 5
So 33669-97-5 is a valid CAS Registry Number.
33669-97-5Relevant academic research and scientific papers
7-OXO-4,5,6,7-TETRAHYDROINDOLE DERIVATIVES FROM NITRO OLEFINS AND SECONDARY α-KETO ENAMINES
Benedetti, Fabio,Berti, Federico,Nitti, Patrizia,Pitacco, Giuliana,Valentin, Ennio
, p. 25 - 28 (2007/10/02)
A synthesis of 7-oxoindole derivatives is reported, involving the intermediacy of either carbocylic or heterocyclic compounds.