Cas 134881-44-0,6-Amino-3,3'-dimethyl-5'-oxo-1-phenylspiro<pyrano<2,3-c>pyrazole-4(1H)-4'-<2>pyrazoline>-5-carbonitrile

134881-44-0

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Basic information

Product Name: 6-Amino-3,3'-dimethyl-5'-oxo-1-phenylspiropyrazole-4(1H)-4'-<2>pyrazoline>-5-carbonitrile
Synonyms:
CAS NO:134881-44-0
Molecular Formula:
Molecular Weight: 334.337
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: 6-Amino-3,3'-dimethyl-5'-oxo-1-phenylspiropyrazole-4(1H)-4'-<2>pyrazoline>-5-carbonitrile(CAS DataBase Reference)
NIST Chemistry Reference: 6-Amino-3,3'-dimethyl-5'-oxo-1-phenylspiropyrazole-4(1H)-4'-<2>pyrazoline>-5-carbonitrile(134881-44-0)
EPA Substance Registry System: 6-Amino-3,3'-dimethyl-5'-oxo-1-phenylspiropyrazole-4(1H)-4'-<2>pyrazoline>-5-carbonitrile(134881-44-0)

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: 134881-44-0(Hazardous Substances Data)

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Check Digit Verification of cas no

The CAS Registry Mumber 134881-44-0 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,4,8,8 and 1 respectively; the second part has 2 digits, 4 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 134881-44:
(8*1)+(7*3)+(6*4)+(5*8)+(4*8)+(3*1)+(2*4)+(1*4)=140
140 % 10 = 0
So 134881-44-0 is a valid CAS Registry Number.

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134881-44-0Relevant academic research and scientific papers

Reactions of 4-(Dicyanomethylene)-3-methyl-1-phenyl-2-pyrazolin-5-one towards Active Methylene Compounds

Metwally, Saoud A. M.,El-Naggar, Galal M.,El-Emary, Talaat I.

, p. 961 - 962 (2007/10/02)

The reaction of some active methylene compounds with 4-(dicyanomethylene)-3-methyl-1-phenyl-2-pyrazolin-5-one (1a) has been investigated.This reaction involves a Michael addition to afford 4-spirocyclobutenes 3 or cyclopyran-2-pyrazolin-5-ones 4, dependin

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