74302-17-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 74302-17-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,4,3,0 and 2 respectively; the second part has 2 digits, 1 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 74302-17:
(7*7)+(6*4)+(5*3)+(4*0)+(3*2)+(2*1)+(1*7)=103
103 % 10 = 3
So 74302-17-3 is a valid CAS Registry Number.
74302-17-3Relevant articles and documents
Studies on Heterocyclic Analogs of Azulene. VI. Cycloadditions of Styryl-substituted Aza Analogs of Azulene with Dimethyl Acetylenedicarboxylate
Abe, Noritaka,Nishiwaki, Tarozaemon
, p. 1406 - 1413 (2007/10/02)
8-cyclopentazulene (3), which undergoes thermal rearrangement into 3--3H-2a-azacyclopentazulene and 3a,4-dihydro
