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857638-18-7

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857638-18-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 857638-18-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 8,5,7,6,3 and 8 respectively; the second part has 2 digits, 1 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 857638-18:
(8*8)+(7*5)+(6*7)+(5*6)+(4*3)+(3*8)+(2*1)+(1*8)=217
217 % 10 = 7
So 857638-18-7 is a valid CAS Registry Number.

857638-18-7Relevant articles and documents

Design and synthesis of new bicyclic diketopiperazines as scaffolds for receptor probes of structurally diverse functionality

Besada, Pedro,Mamedova, Liaman,Thomas, Craig J.,Costanzi, Stefano,Jacobson, Kenneth A.

, p. 2016 - 2025 (2005)

Diketopiperazines (DKPs) are a common motif in various biologically active natural products, and hence they may be useful scaffolds for the rational design of receptor probes and therapeutic agents. We constructed a new bicyclic scaffold that combines a D

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