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1153891-18-9

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1153891-18-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1153891-18-9 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,1,5,3,8,9 and 1 respectively; the second part has 2 digits, 1 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 1153891-18:
(9*1)+(8*1)+(7*5)+(6*3)+(5*8)+(4*9)+(3*1)+(2*1)+(1*8)=159
159 % 10 = 9
So 1153891-18-9 is a valid CAS Registry Number.

1153891-18-9Downstream Products

1153891-18-9Relevant academic research and scientific papers

Facile reaction of thiols and amines with alkyl 4-hydroxy-2-alkynoates in water under neutral conditions and ultrasound irradiation

Arcadi, Antonio,Alfonsi, Maria,Marinelli, Fabio

experimental part, p. 2060 - 2064 (2009/09/05)

This Letter describes an alternative protocol for the Michael addition of thiols to 4-hydroxy-2-alkynoates. The reaction proceeds at room temperature in water under ultrasound irradiation. With amines instead of thiols a sequential conjugate addition/lact

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