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71140-77-7

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71140-77-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 71140-77-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,1,1,4 and 0 respectively; the second part has 2 digits, 7 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 71140-77:
(7*7)+(6*1)+(5*1)+(4*4)+(3*0)+(2*7)+(1*7)=97
97 % 10 = 7
So 71140-77-7 is a valid CAS Registry Number.

71140-77-7Upstream product

71140-77-7Downstream Products

71140-77-7Relevant academic research and scientific papers

Synthesis and Chemical Behavior of Perchlorophenylacetylene

Ballester, Manuel,Castaner, Juan,Riera, Juan,Tabernero, Ignacio

, p. 1413 - 1419 (2007/10/02)

Perchlorophenylacetylene (6) is synthesized in three steps: (1) vicinal reductive dechlorination of perchlorostyrene (1) to (pentachlorophenyl)acetylene (2), (2) conversion of 2 into its silver acetylide (7), and (3) chlorination of 7 to 6.Some thermal an

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