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15831-61-5

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15831-61-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 15831-61-5 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,5,8,3 and 1 respectively; the second part has 2 digits, 6 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 15831-61:
(7*1)+(6*5)+(5*8)+(4*3)+(3*1)+(2*6)+(1*1)=105
105 % 10 = 5
So 15831-61-5 is a valid CAS Registry Number.

15831-61-5Upstream product

15831-61-5Relevant articles and documents

SYNTHESE UND THERMISCH INDUZIERTE UMLAGERUNG DER DIARYLBORCHELATE VON N-(2-HYDROXYALKYL)-N,N-DIALKYLAMIN-N-OXIDEN

Kliegel, Wolfgang,Ahlenstiel, Eckart

, p. 173 - 188 (2007/10/02)

Various diarylboron chelates of the cyclic B,N-betaine type (2,7,11) are synthesized from N-(2-hydroxyalkyl)-N,N-dialkylamine-N-oxides (1) and diarylboron reagents.They are rearranged in a thermally induced intramolecular redox reaction, during which the N-oxide is deoxygenated and the borinic acid moiety is oxidized to the state of boronic acid.The rearrangement products 3, 8 and 12 are converted to new B,N-betaine type chelates 5 and 9 by re-chelation with N-oxides (1).

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