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17844-09-6

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17844-09-6 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 17844-09-6 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,7,8,4 and 4 respectively; the second part has 2 digits, 0 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 17844-09:
(7*1)+(6*7)+(5*8)+(4*4)+(3*4)+(2*0)+(1*9)=126
126 % 10 = 6
So 17844-09-6 is a valid CAS Registry Number.

17844-09-6Downstream Products

17844-09-6Relevant articles and documents

SYNTHESIS OF JUVABIONE ANALOGUES

Mane, Ramchandra B.,Desai, Uday V.,Hebbalkar, Geeta D.

, p. 646 - 657 (2007/10/02)

Alkylation of various β-ketoesters IIIa-d with bis(p-methoxycarbonylphenyl)bromomethane (II) and bis(p-chlorophenyl)bromomethane (VI) followed by cleavage of ethoxycarbonyl group or hydrolysis and esterification gave methoxycarbonylphenyl and chlorophenyl analogues of ar-juvabione, respectively.Condensation of bis(p-methoxycarbonylphenyl)methanol (IX) with isovaleryl and trichloroacetyl chloride gave isovalerate X and trichloroacetate XI, respectively, while the condensation of bis(p-chlorophenyl)methanol (XII) with isovaleryl chloride and citronellyl bromide yieldedisovalerate XIII and citronellyl ether XIV, respectively.The methoxycarbonylation of aryl-alkyl ketones XVa-d with oxalyl chloride and treatment with methanol furnished various ar-juvabione analogues XVIa-d.The compounds Vb, Vc, Vd, XVIb, and XVIc showed high activity against Dysdercus koenigii at 1μg concentration.

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