28005-56-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 28005-56-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,8,0,0 and 5 respectively; the second part has 2 digits, 5 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 28005-56:
(7*2)+(6*8)+(5*0)+(4*0)+(3*5)+(2*5)+(1*6)=93
93 % 10 = 3
So 28005-56-3 is a valid CAS Registry Number.
28005-56-3Relevant articles and documents
Reaction of spiro with hydroxylamine and active methylene compounds
Latif, N.,Zeid, I. F.,Mishriky, N.,Assad, F. M.
, p. 95 - 98 (2007/10/02)
The reactivity of the title spiranes (1) towards cleavage by different nucleophiles in ethanolic solutions has been investigated.The spiranes are cleaved by ethyl p-aminobenzoate to give 2-aryl-3-(4-methoxycarbonylphenyl)-3H-quinazoline-4-thiones (2b-d) t
