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5700-72-1

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5700-72-1 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 5700-72-1 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 5,7,0 and 0 respectively; the second part has 2 digits, 7 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 5700-72:
(6*5)+(5*7)+(4*0)+(3*0)+(2*7)+(1*2)=81
81 % 10 = 1
So 5700-72-1 is a valid CAS Registry Number.

5700-72-1Relevant articles and documents

Use of 2-ethoxy-1-(ethoxycarbonyl)-1,2-dihydroquinoline as a convenient reagent for the selective protection or derivatization of 2-hydroxycarboxylic acids

Hyun, Myung Ho,Kang, Moon Hee,Han, Sang Cheol

, p. 3435 - 3438 (2007/10/03)

EEDQ has been utilized as a convenient reagent for the selective protection of the hydroxy group of 2-hydroxycarboxylic acids. In the presence of an appropriate amine nucleophile, EEDQ has also been utilized as a reagent for the derivatization of both of

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