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3909-83-9

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3909-83-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 3909-83-9 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 3,9,0 and 9 respectively; the second part has 2 digits, 8 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 3909-83:
(6*3)+(5*9)+(4*0)+(3*9)+(2*8)+(1*3)=109
109 % 10 = 9
So 3909-83-9 is a valid CAS Registry Number.

3909-83-9Relevant articles and documents

REACTION OF 1,3-ALKADIENES WITH ARENEDIAZONIUM CHLORIDES IN THE PRESENCE OF IRON(II) CHLORIDE

Ganushchak, N. I.,Obushak, N. D.,Polishchuk, O. P.

, p. 633 - 639 (2007/10/02)

The reaction of arenediazonium chlorides with 1,3-alkadienes in the presence of iron(II) chloride was investigated.It was established that the reaction takes place with the formation of products from chloroarylation of the dienes, telomerization, and additive dimerization.A method is proposed for the synthesis of diaryloctatetraenes containing substituents in the aromatic rings and in the aliphatic chain.

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