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19669-93-3

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19669-93-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 19669-93-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,9,6,6 and 9 respectively; the second part has 2 digits, 9 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 19669-93:
(7*1)+(6*9)+(5*6)+(4*6)+(3*9)+(2*9)+(1*3)=163
163 % 10 = 3
So 19669-93-3 is a valid CAS Registry Number.

19669-93-3Downstream Products

19669-93-3Relevant articles and documents

Synthesis of a novel class of steroidal tetrazolo[1,5-a]pyridines via intramolecular 1,3-dipolar cycloadditions

Gogoi, Junali,Bezbaruah, Pranjal,Saikia, Pallabi,Goswami, Jonalee,Gogoi, Pranjal,Boruah, Romesh Chandra

, p. 1497 - 1500 (2012/03/27)

A facile synthesis of a novel class of steroidal A/B/D-ring annulated tetrazolo[1,5-a]pyridine derivatives has been accomplished via intramolecular 1,3-dipolar cycloaddition reaction of azide with nitrile in aprotic solvent. The synthesis of D-ring annulated tetrazolo[1,5-a]pyridine in alcohol showed incorporation of an alcohol molecule into the heterocyclic system.

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