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4-azafluorenylidene-9-acetic acid is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

135236-13-4

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135236-13-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 135236-13-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,5,2,3 and 6 respectively; the second part has 2 digits, 1 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 135236-13:
(8*1)+(7*3)+(6*5)+(5*2)+(4*3)+(3*6)+(2*1)+(1*3)=104
104 % 10 = 4
So 135236-13-4 is a valid CAS Registry Number.

135236-13-4Downstream Products

135236-13-4Relevant academic research and scientific papers

SYNTHESIS AND REACTIONS OF 9-HYDROXY-(α-ALKOXYCARBONYLALKYL)-4-AZAFLUORENES

Prostakov, N. S.,Kruglyak, E. V.,Shalimov, V. P.,Sergeeva, N. D.,Rubio, Fabio E.

, p. 67 - 70 (1991)

The Reformatsky reaction with 4-azafluorenone has given 9-hydroxy-9-(α-alkoxycarbonylalkyl)-4-azafluorenes.The course of this reaction with respect to the α-haloester used, and the conversion of these hydroxyesters into hydroxy- and α,β-unsaturated acids have been examined.

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