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1443535-39-4

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1443535-39-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1443535-39-4 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,4,4,3,5,3 and 5 respectively; the second part has 2 digits, 3 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 1443535-39:
(9*1)+(8*4)+(7*4)+(6*3)+(5*5)+(4*3)+(3*5)+(2*3)+(1*9)=154
154 % 10 = 4
So 1443535-39-4 is a valid CAS Registry Number.

1443535-39-4Downstream Products

1443535-39-4Relevant articles and documents

From paracetamol to rolipram and derivatives: Application of deacetylation-diazotation sequences and palladium-catalyzed matsuda-heck reaction

Schmidt, Bernd,Elizarov, Nelli,Berger, Rene,Petersen, Monibh.

supporting information, p. 1174 - 1180 (2013/06/05)

A six-step synthesis of the antidepressant rolipram from the popular analgetic 4-acetamidophenol (paracetamol) is described. The steps include oxidative functionalization of the aromatic core, diazonium salt formation via deacetylation-diazotation, Matsuda-Heck reaction, conjugate addition of nitromethane, and hydrogenative cyclization. Georg Thieme Verlag Stuttgart · New York.

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