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54572-98-4

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54572-98-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 54572-98-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,4,5,7 and 2 respectively; the second part has 2 digits, 9 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 54572-98:
(7*5)+(6*4)+(5*5)+(4*7)+(3*2)+(2*9)+(1*8)=144
144 % 10 = 4
So 54572-98-4 is a valid CAS Registry Number.

54572-98-4Downstream Products

54572-98-4Relevant articles and documents

Catalyst- and solvent-free rapid addition of secondary phosphine chalcogenides to aldehydes: Another click chemistry

Gusarova, Nina K.,Ivanova, Nina I.,Volkov, Pavel A.,Khrapova, Kseniya O.,Larina, Luydmila I.,Smirnov, Vladimir I.,Borodina, Tatyana N.,Trofimov, Boris A.

, p. 1611 - 1622 (2015/03/18)

Abstract An efficient catalyst- and solvent-free method for the synthesis of tertiary α-hydroxyphosphine chalcogenides, via the almost quantitative addition of secondary phosphine chalcogenides to diverse aldehydes under mild conditions (20-52 °C, from 10 min to 5 h), is reported.

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