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75416-86-3

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75416-86-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 75416-86-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,5,4,1 and 6 respectively; the second part has 2 digits, 8 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 75416-86:
(7*7)+(6*5)+(5*4)+(4*1)+(3*6)+(2*8)+(1*6)=143
143 % 10 = 3
So 75416-86-3 is a valid CAS Registry Number.

75416-86-3Downstream Products

75416-86-3Relevant academic research and scientific papers

NOVEL SYNTHESIS OF 2,3-DIARYLBUTA-1,3-DIENES FROM 1,4-DIMETHOXYBUTYNE-2

Ishino, Yoshio,Nishiguchi, Ikuzo,Takihira, Fujio,Hirashima, Tsuneaki

, p. 1527 - 1528 (1980)

It was found that 2,3-diarylbuta-1,3-dienes were readily obtained in good to excellent yields through the SN-2' type substitution of 1,4-dimethoxybutyne-2 with aryl Grignard reagents in the presence of a copper(I) salt.

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