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129930-84-3

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129930-84-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 129930-84-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,9,9,3 and 0 respectively; the second part has 2 digits, 8 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 129930-84:
(8*1)+(7*2)+(6*9)+(5*9)+(4*3)+(3*0)+(2*8)+(1*4)=153
153 % 10 = 3
So 129930-84-3 is a valid CAS Registry Number.

129930-84-3Downstream Products

129930-84-3Relevant articles and documents

Kasperek et al.

, p. 7876 (1972)

REACTIONS OF ORGANOLITHIUM REAGENTS WITH p-BENZOQUINONES AND CYCLOHEXADIENONS, SYNTHESIS OF 4-ALKYL-4-HYDROXYCYCLOHEXA-2,5-DIEN-1-ONES AND 1,4-DIALKYLCYCLOHEXA-2,5-DIENE-1,4-DIOLS.

Fischer, A.,Henderson, N.

, p. 701 - 704 (2007/10/02)

Addition of organolithium reagents to p-benzoquinones in ether gives the corresponding 4-alkyl-4-hydroxycyclohexa-2,5-dien-1-ones.Addition of excess of the reagent to the p-benzoquinones, or to the 4-alkyl-4-hydroxycyclohexa-3,5-dien-1-ones, in tetrahydrofuran, gives the corresponding dialkylcyclohexa-2,5-diene-1,4-diols.

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