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240820-24-0

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240820-24-0 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 240820-24-0 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,4,0,8,2 and 0 respectively; the second part has 2 digits, 2 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 240820-24:
(8*2)+(7*4)+(6*0)+(5*8)+(4*2)+(3*0)+(2*2)+(1*4)=100
100 % 10 = 0
So 240820-24-0 is a valid CAS Registry Number.

240820-24-0Upstream product

240820-24-0Relevant articles and documents

Coumarin-based prodrugs 2. Synthesis and bioreversibility studies of an esterase-sensitive cyclic prodrug of DADLE, an opioid peptide

Wang, Binghe,Wang, Wei,Zhang, Huijuan,Shan, Daxian,Smith, Terrill D.

, p. 2823 - 2826 (1996)

A coumarin-based esterase-sensitive cyclic prodrug of an opioid peptide, DADLE, was prepared. The cyclic prodrug quickly released (t( 1/4 ) = 761 min) its original peptide, DADLE, upon esterase catalyzed hydrolysis. Such a system can be used for the preparation of cyclic prodrugs of other biologically active peptides aimed at improving their bioavailability.

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