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934421-18-8

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934421-18-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 934421-18-8 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 9,3,4,4,2 and 1 respectively; the second part has 2 digits, 1 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 934421-18:
(8*9)+(7*3)+(6*4)+(5*4)+(4*2)+(3*1)+(2*1)+(1*8)=158
158 % 10 = 8
So 934421-18-8 is a valid CAS Registry Number.

934421-18-8Downstream Products

934421-18-8Relevant articles and documents

Ugi multicomponent reaction followed by an intramolecular nucleophilic substitution: Convergent multicomponent synthesis of 1-sulfonyl 1,4-diazepan-5-ones and of their benzo-fused derivatives

Banfi, Luca,Basso, Andrea,Guanti, Giuseppe,Kielland, Nicola,Repetto, Claudio,Riva, Renata

, p. 2151 - 2160 (2007/10/03)

A short, two-step approach to the synthesis of diazepane or diazocane systems, based on a Ugi multicomponent reaction followed by a subsequent intramolecular SN2 reaction was studied. 1 -Sulfonyl tetrahydrobenzo[e]-1,4-diazepin-1-ones 1 were ob

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