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2-Chloro-3-((Z)-2-nitro-vinyl)-thiophene is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

188471-55-8

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188471-55-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 188471-55-8 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,8,8,4,7 and 1 respectively; the second part has 2 digits, 5 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 188471-55:
(8*1)+(7*8)+(6*8)+(5*4)+(4*7)+(3*1)+(2*5)+(1*5)=178
178 % 10 = 8
So 188471-55-8 is a valid CAS Registry Number.

188471-55-8Relevant academic research and scientific papers

Acyliminium ion cyclizations: Synthesis of thieno[2',3':3,4]pyrrolo[2,1-a]isoindolone and benzo[a]thieno[2,3(3,2 or 3,4)-g]indolizinones

Othman, Mohamed,Pigeon, Pascal,Decroix, Bernard

, p. 2495 - 2504 (1997)

N-acyliminium cyclizations onto thiophene to give thieno[2',3':3,4]pyrrolo[2,1-a]isoindolone (2b) and benzo[a]thieno[2,3(3,2 or 3,4)-g]indolizinones (12a-c) were studied.

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