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140133-91-1

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140133-91-1 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 140133-91-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,4,0,1,3 and 3 respectively; the second part has 2 digits, 9 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 140133-91:
(8*1)+(7*4)+(6*0)+(5*1)+(4*3)+(3*3)+(2*9)+(1*1)=81
81 % 10 = 1
So 140133-91-1 is a valid CAS Registry Number.

140133-91-1Relevant articles and documents

Synthesi of aliphatic 1,2-bishydroxylamines from 1,3-dihydroxyimidazolidines. The crystal structure of 1,2-bishydroxylaminocycloalkanes

Mazhukin, D. G.,Tikhonov, A. Ya.,Volodarskii, L. B.,Konovalova, E. P.,Tikhonova, L. A.,et al.

, p. 851 - 857 (2007/10/02)

Reduction of 1-hydroxy-3-imidazoline-3-oxides with NaBH4 gives 1,3-dihydroxyimidazolidines.The latter on subsequent treatment with NH2OH*HCl in EtOH or in hydrochloric acid afford 1,2-bishydroxylamines.An X-ray study of 1,2-bishydroxylaminocycloalkanes has shown them to be cis-configurrated.

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