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178424-37-8

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178424-37-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 178424-37-8 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,7,8,4,2 and 4 respectively; the second part has 2 digits, 3 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 178424-37:
(8*1)+(7*7)+(6*8)+(5*4)+(4*2)+(3*4)+(2*3)+(1*7)=158
158 % 10 = 8
So 178424-37-8 is a valid CAS Registry Number.

178424-37-8Downstream Products

178424-37-8Relevant articles and documents

Synthesis of 2-Phenyl-4,5,6,7-tetrahydroindol-5-one, -tetrahydrobenzo[b]thiophen-5-one and -tetrahydrobenzo[b]furan-5-one

Groundwater, Paul W.,Munawar, Munawar Ali

, p. 256 - 257 (2007/10/03)

The preparation of 4-ethylenedioxy-2-phenacylcyclohexanone (4) and its conversion into 2-phenyl-4,5,6,7-tetrahydroindol-5-one (6a), 2-phenyl-4,5,6,7-tetrahydrobenzo[b]thiophen-5-one (6b) and 2-phenyl-4,5,6,7-tetrahydrobenzo[b]furan-5-one (6c) is described.

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