Cas 1138464-44-4,ethyl 3-(1-tosyl-1H-indol-3-yl)propanoate

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Check Digit Verification of cas no

The CAS Registry Mumber 1138464-44-4 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,1,3,8,4,6 and 4 respectively; the second part has 2 digits, 4 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 1138464-44:
(9*1)+(8*1)+(7*3)+(6*8)+(5*4)+(4*6)+(3*4)+(2*4)+(1*4)=154
154 % 10 = 4
So 1138464-44-4 is a valid CAS Registry Number.

1138464-44-4Upstream product

1138464-44-4Downstream Products

1138464-46-6 3-(1-p-toluenesulfonyl-indol-3-yl)propanal

1138464-44-4Relevant articles and documents

Synthesis of 2-alkyl-substituted chromone derivatives using microwave irradiation

Friden-Saxin, Maria,Pemberton, Nils,Da Silva Andersson, Krystle,Dyrager, Christine,Friberg, Annika,Grotli, Morten,Luthman, Kristina

supporting information; experimental part, p. 2755 - 2759 (2009/08/15)

A base-promoted condensation between 2-hydroxyacetophenones and aliphatic aldehydes has been studied. The reaction has been optimized to afford 2-alkyl-substituted 4-chromanones in an efficient manner using microwave heating. Performing the reaction using

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1138464-44-4