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1609485-89-3

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1609485-89-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1609485-89-3 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,6,0,9,4,8 and 5 respectively; the second part has 2 digits, 8 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 1609485-89:
(9*1)+(8*6)+(7*0)+(6*9)+(5*4)+(4*8)+(3*5)+(2*8)+(1*9)=203
203 % 10 = 3
So 1609485-89-3 is a valid CAS Registry Number.

1609485-89-3Downstream Products

1609485-89-3Relevant articles and documents

Copper-catalyzed cross-coupling of vinylsiloxanes with bromoalkynes: Synthesis of enynes

Cornelissen, Loic,Lefrancq, Maxime,Riant, Olivier

, p. 3024 - 3027 (2014)

Enynes are versatile building blocks in organic synthesis. A copper-catalyzed Hiyama-type cross-coupling of vinylsiloxanes with bromoalkynes is presented. This mild and efficient method led to the formation of various sensitive enynes. The use of cis, trans, and 1,1′-disubstituted vinylsiloxanes was allowed, and full retention of stereochemistry was observed. Sensitive groups such as halides, unsaturated ketones, and aldehydes were fully tolerated.

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