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82103-89-7

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82103-89-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 82103-89-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,2,1,0 and 3 respectively; the second part has 2 digits, 8 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 82103-89:
(7*8)+(6*2)+(5*1)+(4*0)+(3*3)+(2*8)+(1*9)=107
107 % 10 = 7
So 82103-89-7 is a valid CAS Registry Number.

82103-89-7Downstream Products

82103-89-7Relevant articles and documents

CYCLOPROPANES OF 5-NITROFURANE SERIES. REACTIONS OF DIAZOMETHANE WITH 1-(5-NITRO-2-FURYL)-1-TRICHLOROMETHYLSULPHONYL-2-R-ETHYLENES

Prousek, Josef,Jurasek, Adolf,Kovac, Jaroslav

, p. 1704 - 1714 (2007/10/02)

Diazomethane reacts with trisubstituted ethylenes of 5-nitrofurane series within the temperature range -60 deg C to +20 deg C with direct formation of cyclopropane derivatives IV without pyrazoline intermediates.This reaction does not proceed as a 1,3-dip

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