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1991-95-3

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1991-95-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1991-95-3 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 1,9,9 and 1 respectively; the second part has 2 digits, 9 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 1991-95:
(6*1)+(5*9)+(4*9)+(3*1)+(2*9)+(1*5)=113
113 % 10 = 3
So 1991-95-3 is a valid CAS Registry Number.

1991-95-3Relevant articles and documents

Solid phase reduction of oxazolones using BER-Ni2B-A simple synthesis of N-benzoylphenylalanines

Sikdar, Atul P.,Chetri, Ajoy B.,Das, Pranab J.

, p. 2878 - 2881 (2007/10/03)

Borohydride exchange resin (BER)-Ni2B is successfully used as a reagent for the solid phase reduction of the C-4 exocyclic double bond of oxazolones to give the N-benzoylphenylalanines and hence the corresponding amino acids.

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