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73908-63-1

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73908-63-1 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 73908-63-1 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,3,9,0 and 8 respectively; the second part has 2 digits, 6 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 73908-63:
(7*7)+(6*3)+(5*9)+(4*0)+(3*8)+(2*6)+(1*3)=151
151 % 10 = 1
So 73908-63-1 is a valid CAS Registry Number.

73908-63-1Relevant articles and documents

Baylis-Hillman mechanism: A new interpretation in aprotic solvents

Price, Kristin E.,Broadwater, Steven J.,Jung, Hyun M.,McQuade, D. Tyler

, p. 147 - 150 (2005)

(Chemical Equation Presented) Using reaction rate data collected in aprotic solvents, we have determined that the Baylis-Hillman rate-determining step is second order in aldehyde and first order in DABCO and acrylate. On the basis of these data, we have p

Reactive Intermediates from the Solvolysis of Mutagenic O-Alkyl N-Acetoxybenzohydroxamates

Bonin, Antonio M.,Glover, Stephen A.,Hammond, Gerard P.

, p. 1173 - 1180 (2007/10/02)

Mutagenic O-(para-substituted benzyl) N-acetoxybenzohydroxamates undergo acid-catalysed solvolysis in aqueous acetonitrile but three is a change in mechanism from AA11 to E1 on going from para electron-withdrawing substituents to para +M electron-donating groups.The former permit the formation of a discrete nitrenium ion intermediate whereas the latter promote a concerted elimination of a resonance stabilized benzyl carbocation.

Kinetics and Stereochemistry of Elimination of Nitrous Acid from 1-p-Nitrophenyl-2-nitroethyl Derivatives

Norris, Robert K.,Wright, Timothy A.

, p. 281 - 294 (2007/10/02)

The eliminations of nitrous acids from the compounds (1) and (6) are E2 processes, which proceed with a large primary kinetic isotope effect and with antiperiplanar stereochemistry.The rate of elimination of HNO2 fom (1) is intermediate between the rate o

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