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87537-73-3

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87537-73-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 87537-73-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,7,5,3 and 7 respectively; the second part has 2 digits, 7 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 87537-73:
(7*8)+(6*7)+(5*5)+(4*3)+(3*7)+(2*7)+(1*3)=173
173 % 10 = 3
So 87537-73-3 is a valid CAS Registry Number.

87537-73-3Downstream Products

87537-73-3Relevant articles and documents

NEW PESTICIDES AND INTERMEDIATES. PART V. TRANSFORMATION OF N-(FORMYLPHENYL)CARBAMATES INTO SUBSTITUTED OXAZOLIDINE-1,3 SYSTEM

Witek, Stanislaw,Bielawska, Alicja,Bielawski, Jacek

, p. 2025 - 2030 (2007/10/02)

A reaction of N-(4-formylphenyl)carbamates (1) with ethanolamine leads to a pseudomeric system of N-(2-hydroxyethyl)-4'-alkoxycarbaminobenzylideneimines (3), and undetectable (TLC, NMR) oxazolidines-1,3 (4).A subsequent reaction of the system with isocyanates results in exclusively urea derivatives of oxazolidine (5 and 6).This fact univocally confirms the tautomeric equilibrium of 34 system.All compounds obtained (3,5,6,8,9) were subjected to biological tests in order to elucidate their activity.

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