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1037717-69-3

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1037717-69-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1037717-69-3 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,0,3,7,7,1 and 7 respectively; the second part has 2 digits, 6 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 1037717-69:
(9*1)+(8*0)+(7*3)+(6*7)+(5*7)+(4*1)+(3*7)+(2*6)+(1*9)=153
153 % 10 = 3
So 1037717-69-3 is a valid CAS Registry Number.

1037717-69-3Relevant academic research and scientific papers

Synthesis of novel structurally simplified estrogen analogues

Tietze, Lutz F.,Vock, Carsten A.,Krimmelbein, Ilsa K.,Wiegand, J. Matthias,Nacke, Linda,Ramachandar, Tokala,Islam, Kazi M. D.,Gatz, Christiane

experimental part, p. 3670 - 3679 (2009/04/11)

A library of 17 novel estrogen analogues 3 and 4 containing different substituents at rings A and D (steroid nomenclature) was prepared in a five- to seven-step synthesis. The key transformation is a Sonogashira-coupling of cyclic vinyl iodides of type 7

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