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109928-60-1

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109928-60-1 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 109928-60-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,0,9,9,2 and 8 respectively; the second part has 2 digits, 6 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 109928-60:
(8*1)+(7*0)+(6*9)+(5*9)+(4*2)+(3*8)+(2*6)+(1*0)=151
151 % 10 = 1
So 109928-60-1 is a valid CAS Registry Number.

109928-60-1Downstream Products

109928-60-1Relevant articles and documents

Formation of 4-Nitrocyclohexa-2,5-dienols by Addition of Organolithium Reagents to 4-Alkyl-4-nitrocyclohexa-2,5-dienones

Fischer, Alfred,Sankararaman, S.

, p. 4464 - 4468 (2007/10/02)

Addition of methyllithium to 4-alkyl-4-nitrocyclohexa-2,5-dienones 1a-d (alkyl = Me, Et, i-Pr, t-Bu), to 2,6-dichloro- and 2,6-dibromo-4-methyl-4-nitrocyclohexa-2,5-dienone, and to 4a-nitro-2-oxo-2,4a,5,6,7,8-hexahydronaphthalene gives the corresponding dienols 2a-d, 4e and 4f, and 7g, generally as a pair of diastereomers.Addition of methyl lithioacetate to the same substrates gives dienols 8a-d, 5e and 5f, and 7h.Addition of substituted methyllithiums (XCH2Li, X = CN, CONH2, CONMe2, COMe, SMe, SPh, SOMe, SO2Me, SiMe3, PSMePh, PSPh2), 2-lithio-1,3-dithiane, or lithium phenylacetylide to 1a gives the dienols 9i-u.

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