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121666-17-9

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121666-17-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 121666-17-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,1,6,6 and 6 respectively; the second part has 2 digits, 1 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 121666-17:
(8*1)+(7*2)+(6*1)+(5*6)+(4*6)+(3*6)+(2*1)+(1*7)=109
109 % 10 = 9
So 121666-17-9 is a valid CAS Registry Number.

121666-17-9Upstream product

121666-17-9Downstream Products

121666-17-9Relevant articles and documents

The Chemistry of Terpenes. Part 27.1 The Halogenation of (+)-Thujone and of (-)-Carvotanacetone, and the Stereochemistry and Mechanism of Formation of 'Tribromothujone'

Shannon, Patrick V.R.,Dowsett, Marion

, p. 1527 - 1536 (2007/10/02)

The groos structure and precise stereochemistry of 'tribromothujone' have been identified; its adjacent bromine atoms are cis-orientated.The mechanism of its formation is discussed.A number of halogenated compounds derived from (+)-thujone have been obtained and their absolute configurations determined. (-)-Carvotanacetone dibromide and two tribromides have stereochemically identified.

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