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2,5-bis-p-tolyliminomethyleneamino-thiophene-3,4-dicarboxylic acid diethyl ester is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

1026366-09-5

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1026366-09-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1026366-09-5 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,0,2,6,3,6 and 6 respectively; the second part has 2 digits, 0 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 1026366-09:
(9*1)+(8*0)+(7*2)+(6*6)+(5*3)+(4*6)+(3*6)+(2*0)+(1*9)=125
125 % 10 = 5
So 1026366-09-5 is a valid CAS Registry Number.

1026366-09-5Downstream Products

1026366-09-5Relevant academic research and scientific papers

Application of bis(iminophosphorane) in heterocyclic synthesis: New entries to symmetrically or unsymmetrically substituted thieno[2,3-d:5,4-d′] dipyrimidine-4,5(3H,6H)-diones

Ding, Ming-Wu,Xu, Sheng-Zhen,Zhao, Jun-Feng

, p. 8366 - 8371 (2007/10/03)

The bis(carbodiimides) 4, obtained from bis-aza-Wittig reactions of bis(iminophosphorane) 3 with 2 equiv of aromatic isocyanates, were reacted with secondary amine to give symmetrically substituted 2,7-diaminothieno[2,3-d:5,4- d′]dipyrimidine-4,5(3H,6H)-d

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