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Thieno[2,3-c]pyridazine-6-carboxylic acid, 5-(acetylamino)-3,4-diphenyl-, ethyl ester is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

850075-65-9

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850075-65-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 850075-65-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 8,5,0,0,7 and 5 respectively; the second part has 2 digits, 6 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 850075-65:
(8*8)+(7*5)+(6*0)+(5*0)+(4*7)+(3*5)+(2*6)+(1*5)=159
159 % 10 = 9
So 850075-65-9 is a valid CAS Registry Number.

850075-65-9Relevant academic research and scientific papers

Pyridazine derivatives and related compounds. Part 11: 1Synthesis of some pyrimido[4′,5′:4,5]thieno[2,3-c] pyridazines

Deeb, Ali,Kotb, Mahmoud,El-Abbasy, Mohamed

, p. 2245 - 2252 (2007/10/03)

3-Substituted pyrimido[4′,5′:4,5]thieno[2,3-c/pyridazine-2,4- di-ones and 3-amino-2-methylpyrimido[4′,5′:4,5]thieno[2,3-c] pyridazine-4-ones were synthesized starting from ethyl 5-aminothieno[2,3-c] pyridazine-6-carboxylate 1. Reaction of amino ester 1 with phenyl isothiocyanate affords thiourea derivative 10 which undergo further transformation to the related fused heterocyclic systems.

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