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858217-21-7

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858217-21-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 858217-21-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 8,5,8,2,1 and 7 respectively; the second part has 2 digits, 2 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 858217-21:
(8*8)+(7*5)+(6*8)+(5*2)+(4*1)+(3*7)+(2*2)+(1*1)=187
187 % 10 = 7
So 858217-21-7 is a valid CAS Registry Number.

858217-21-7Relevant articles and documents

Synthesis of indole-derived allocolchicine congeners through Pd-catalyzed intramolecular C-H arylation reaction

Sitnikov, Nikolay S.,Kokisheva, Antonina S.,Fukin, Georgy K.,Neud?rfl, J?rg-Martin,Sutorius, Hannah,Prokop, Aram,Fokin, Valery V.,Schmalz, Hans-Günther,Fedorov, Alexey Yu.

, p. 6481 - 6492 (2014)

The synthesis of several new heterocyclic structural analogs of the natural antimitotic agent allocolchicine is reported. As a key step an intramolecular Pd-catalyzed C-H arylation reaction was used to close the seven-membered ring fused with two electron

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