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87373-54-4

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87373-54-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 87373-54-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,7,3,7 and 3 respectively; the second part has 2 digits, 5 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 87373-54:
(7*8)+(6*7)+(5*3)+(4*7)+(3*3)+(2*5)+(1*4)=164
164 % 10 = 4
So 87373-54-4 is a valid CAS Registry Number.

87373-54-4Downstream Products

87373-54-4Relevant articles and documents

Photolysis of Reluctant Azoalkanes. Effect of Structure on Photochemical Loss of Nitrogen from 2,3-Diazabicyclooct-2-ene Derivatives

Engel, Paul S.,Horsey, Douglas W.,Keys, Dalen E.,Nalepa, Christopher J.,Soltero, Luis R.

, p. 7108 - 7114 (2007/10/02)

Azoalkanes containing the bicycloskeleton often prove to be remarkable stable toward loss of nitrogen.These derivatives of 2,3-diazabicyclooct-2-ene (DBO) also exhibit fluorescence whose lifetime extends to 600 ns.This paper is an attempt to understand the effect of fused rings and bridgehead substituents on the photochemical and photophysical properties of DBO.The main factor controlling quantum yields of nitrogen is a 6-11 kcal mol-1 activation barrier that differs for the singlet and triplet states and that seems to mimic the barrier to ground-state deazatization.The product distribution for DBO derivatives is rationalized on the basis of interconverting singlet 1,4-biradicaloids.

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