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129286-40-4

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129286-40-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 129286-40-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,9,2,8 and 6 respectively; the second part has 2 digits, 4 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 129286-40:
(8*1)+(7*2)+(6*9)+(5*2)+(4*8)+(3*6)+(2*4)+(1*0)=144
144 % 10 = 4
So 129286-40-4 is a valid CAS Registry Number.

129286-40-4Relevant articles and documents

Preparation of 4- and 10-Fluorobenzofluoranthene via Cyclodehydration of Acetals and Cyclopropanecarboxaldehydes

Rice, Joseph E.,He, Zhen-Min

, p. 5490 - 5494 (2007/10/02)

Two procedures have been developed for the synthesis of 4-fluorobenzofluoranthene (4-fluoroBjF) and 10-fluoroBjF.Reaction of 9-fluoro-11H-benzofluoren-11-one (5) with the Grignard reagent prepared from 2-(2-bromoethyl)-1,3-dioxane provided hydroxy a

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