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22603-72-1

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22603-72-1 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 22603-72-1 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,2,6,0 and 3 respectively; the second part has 2 digits, 7 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 22603-72:
(7*2)+(6*2)+(5*6)+(4*0)+(3*3)+(2*7)+(1*2)=81
81 % 10 = 1
So 22603-72-1 is a valid CAS Registry Number.

22603-72-1Upstream product

22603-72-1Downstream Products

22603-72-1Relevant articles and documents

Contrasting Behaviors in the Cleavage of Aryl Alkanoates by α- and β-Cyclodextrins in Basic Aqueous Solution

Tee, Oswald S.,Du, Xian-xian

, p. 1837 - 1839 (1988)

The kinetics of ester cleavage of 4-carboxy-2-nitrophenyl alkanoates (C2, C4, C6, C7, C8) in aqueous base containing α- or β-cyclodextrin (α- or β-CD) indicate that for the three longer esters there are processes involving two CD molecules which are quite distinct: with α-CD a 2:1 binding leads to inhibition; with β-CD a second-order process provides catalysis.

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