Cas 1311166-34-3,7-amino-3-(4-hydroxyphenylazo)pyrazolo[1,5-a]pyrimidin-2-one

1311166-34-3

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Basic information

Product Name: 7-amino-3-(4-hydroxyphenylazo)pyrazolo[1,5-a]pyrimidin-2-one
Synonyms: 7-amino-3-(4-hydroxyphenylazo)pyrazolo[1,5-a]pyrimidin-2-one
CAS NO:1311166-34-3
Molecular Formula:
Molecular Weight: 270.25
EINECS: N/A
Product Categories: N/A

Chemical Properties

Melting Point: N/A
Boiling Point: N/A
Flash Point: N/A
Appearance: N/A
Density: N/A
Refractive Index: N/A
Storage Temp.: N/A
Solubility: N/A
CAS DataBase Reference: 7-amino-3-(4-hydroxyphenylazo)pyrazolo[1,5-a]pyrimidin-2-one(CAS DataBase Reference)
NIST Chemistry Reference: 7-amino-3-(4-hydroxyphenylazo)pyrazolo[1,5-a]pyrimidin-2-one(1311166-34-3)
EPA Substance Registry System: 7-amino-3-(4-hydroxyphenylazo)pyrazolo[1,5-a]pyrimidin-2-one(1311166-34-3)

Safety Data

Hazard Codes: N/A
Statements: N/A
Safety Statements: N/A
WGK Germany:
RTECS:
HazardClass: N/A
PackingGroup: N/A
Hazardous Substances Data: 1311166-34-3(Hazardous Substances Data)

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Check Digit Verification of cas no

The CAS Registry Mumber 1311166-34-3 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,3,1,1,1,6 and 6 respectively; the second part has 2 digits, 3 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 1311166-34:
(9*1)+(8*3)+(7*1)+(6*1)+(5*1)+(4*6)+(3*6)+(2*3)+(1*4)=103
103 % 10 = 3
So 1311166-34-3 is a valid CAS Registry Number.

1311166-34-3Upstream product

65157-84-8 β-piperidinoacrylonitrile

1311166-34-3Downstream Products

1311166-34-3Relevant academic research and scientific papers

Synthesis of some novel pyrazolo[1,5-a]pyrimidine derivatives and their application as disperse dyes

Al-Etaibi, Alya M.,Al-Awadi, Nouria A.,El-Apasery, Morsy A.,Ibrahim, Maher R.

, p. 5182 - 5193 (2011)

A series of novel monoazo-disperse dyes containing pyrazolo[1,5-a] pyrimidine structures were synthesized starting with the coupling reaction between ethyl cyanoacetate and 4-hydroxybenzenediazonium chloride, followed by treatment of the resulting hydrazo

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