Cas 242798-78-3,8-<N-(2-carboxyphenyl)methylene>aminotheophylline

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Check Digit Verification of cas no

The CAS Registry Mumber 242798-78-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,4,2,7,9 and 8 respectively; the second part has 2 digits, 7 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 242798-78:
(8*2)+(7*4)+(6*2)+(5*7)+(4*9)+(3*8)+(2*7)+(1*8)=173
173 % 10 = 3
So 242798-78-3 is a valid CAS Registry Number.

242798-78-3Upstream product

242798-78-3Downstream Products

242798-79-4 8-aminotheophylline

242798-78-3Relevant articles and documents

Synthesis of purinobenzodiazepine and purinobenzotriazocine derivatives, two new heterocyclic ring systems

Da Settimo, Antonio,Primofiore, Giampaolo,Marini, Anna Maria,Da Settimo, Federico,La Motta, Concettina,Salerno, Silvia

, p. 639 - 642 (2007/10/03)

The preparation of two new heterocyclic ring systems, purinobenzodiazepine and purinobenzotriazocine derivatives by the condensation of 8-aminotheophylline or 8-hydrazinotheophylline with o- carboxybenzaldehyde or o-carboxyacetophenone is described.

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242798-78-3