Cas 1037717-36-4,3-(4-tert-butoxy-2-chlorophenylethynyl)-2-methylcyclopent-2-enone

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Check Digit Verification of cas no

The CAS Registry Mumber 1037717-36-4 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, 3 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 1037717-36:
(9*1)+(8*0)+(7*3)+(6*7)+(5*7)+(4*1)+(3*7)+(2*3)+(1*6)=144
144 % 10 = 4
So 1037717-36-4 is a valid CAS Registry Number.

1037717-36-4Upstream product

1037717-36-4Downstream Products

1037717-31-9 3-(2-chloro-4-hydroxyphenylethynyl)-2-methylcyclopent-2-enone

1037717-36-4Relevant articles and documents

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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1037717-36-4