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Benzo[b]thiophene-2-carboxylic acid, 3-[(triphenylphosphoranylidene)amino]-, ethyl ester is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

874913-09-4

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  • Benzo[b]thiophene-2-carboxylic acid, 3-[(triphenylphosphoranylidene)amino]-, ethyl ester

    Cas No: 874913-09-4

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874913-09-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 874913-09-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 8,7,4,9,1 and 3 respectively; the second part has 2 digits, 0 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 874913-09:
(8*8)+(7*7)+(6*4)+(5*9)+(4*1)+(3*3)+(2*0)+(1*9)=204
204 % 10 = 4
So 874913-09-4 is a valid CAS Registry Number.

874913-09-4Relevant articles and documents

New efficient synthesis of 2-substituted benzothieno[3,2-d]pyrimidin-4(3H)- ones via a tandem aza-Wittig reaction

Xu, Sheng-Zhen,Hu, Yang-Gen,Ding, Ming-Wu

, p. 4180 - 4186 (2006)

1-Aryl-3-[2-(ethoxycarbonyl)benzothien-3-yl]carbodiimides 4, obtained from aza-Wittig reactions of iminophosphorane 3 with aryl isocyanates, reacted with secondary amines, phenols, or alkanols in the presence of a catalytic amount of potassium carbonate o

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