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91663-91-1

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91663-91-1 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 91663-91-1 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,1,6,6 and 3 respectively; the second part has 2 digits, 9 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 91663-91:
(7*9)+(6*1)+(5*6)+(4*6)+(3*3)+(2*9)+(1*1)=151
151 % 10 = 1
So 91663-91-1 is a valid CAS Registry Number.

91663-91-1Relevant articles and documents

SATURATED NITROGEN-CONTAINING HETEROCYCLES. 11. THE SYNTHESIS AND STRUCTURAL STUDIES OF OCTAHYDROINDOLYLALKANOLS

Krivcen'ko, A. P.,Nikolaeva, T. G.,Espenbetov, A. A.,Struchkov, Yu. T.,Kharchenko, V. G.

, p. 52 - 56 (1985)

A catalytic synthesis was carried out for 3-(1-R-2-octahydroindolyl)alkanols using nickel promoted by ruthenium, Raney nickel, and Raney cobalt previously treated with acetic acid.An x-ray diffraction structural study of the acid tartrate of 3-(1-methyl-2

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