74362-89-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 74362-89-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,4,3,6 and 2 respectively; the second part has 2 digits, 8 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 74362-89:
(7*7)+(6*4)+(5*3)+(4*6)+(3*2)+(2*8)+(1*9)=143
143 % 10 = 3
So 74362-89-3 is a valid CAS Registry Number.
74362-89-3Relevant articles and documents
Anilinoquinones and Quinoneaniles from 4,4'-Bi-(1,2-naphthoquinone)
Wittmann, Helga,Jeller, Heinz
, p. 199 - 212 (2007/10/02)
4,4'-Bi-(1,2-naphthoquinone) (1) reacts with several aromatic amines to yield the anilino-quinones 2a-k.Compound 2a is characterized by the binaphthoquinone dioxime 6 and the semicarbazide 8.The reductive benzoylation of 2a gives the benzoylester 5.The am