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77988-85-3

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77988-85-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 77988-85-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,7,9,8 and 8 respectively; the second part has 2 digits, 8 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 77988-85:
(7*7)+(6*7)+(5*9)+(4*8)+(3*8)+(2*8)+(1*5)=213
213 % 10 = 3
So 77988-85-3 is a valid CAS Registry Number.

77988-85-3Relevant articles and documents

The mechanism of the Bischler-Napieralski Reaction

Nagubandi, Sreeramulu,Fodor, G.

, p. 1457 - 1463 (2007/10/02)

The Bischler-Napieralski dihydroisoquinoline synthesis was proven to occur via imidoyl chlorides and the corresponding nitrilium salt.Two-step process required much milder conditions (20 degC - 50 degC) compared to drastic classical conditions of refluxing at 100 degC - 200 degC.The Bischler-Napieralski reaction is shown to share a common intermediate with two other well-known reactions: the von Braun and the Ritter reactions

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