Cas 1277189-86-2,3-methyl-1-(4-sulfophenyl)-4-(4-aminophenylazo)-2-pyrazoline-5-one

1277189-86-2

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Basic information

Product Name: 3-methyl-1-(4-sulfophenyl)-4-(4-aminophenylazo)-2-pyrazoline-5-one
Synonyms: 3-methyl-1-(4-sulfophenyl)-4-(4-aminophenylazo)-2-pyrazoline-5-one
CAS NO:1277189-86-2
Molecular Formula:
Molecular Weight: 373.392
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: 3-methyl-1-(4-sulfophenyl)-4-(4-aminophenylazo)-2-pyrazoline-5-one(CAS DataBase Reference)
NIST Chemistry Reference: 3-methyl-1-(4-sulfophenyl)-4-(4-aminophenylazo)-2-pyrazoline-5-one(1277189-86-2)
EPA Substance Registry System: 3-methyl-1-(4-sulfophenyl)-4-(4-aminophenylazo)-2-pyrazoline-5-one(1277189-86-2)

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: 1277189-86-2(Hazardous Substances Data)

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Check Digit Verification of cas no

The CAS Registry Mumber 1277189-86-2 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,7,7,1,8 and 9 respectively; the second part has 2 digits, 8 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 1277189-86:
(9*1)+(8*2)+(7*7)+(6*7)+(5*1)+(4*8)+(3*9)+(2*8)+(1*6)=202
202 % 10 = 2
So 1277189-86-2 is a valid CAS Registry Number.

1277189-86-2Upstream product

741193-12-4 C₁₆H₁₃N₅O₆S

1277189-86-2Downstream Products

1277189-86-2Relevant academic research and scientific papers

Synthesis and dyeing performance of a novel polycarboxylic acid azo dye

Xu, Hua,Tang, Bing Tao,Zhang, Shu Fen

, p. 424 - 426 (2011)

A novel reactive polycarboxylic acid dye was synthesized by the reaction of polymaleic anhydride (PMA) with 3-methyl-1-(4-sulfonylphenyl)-4-(4- aminophenylazo)-2-pyrazoline-5-one. The structure of the novel dye was characterized by FTIR, UV-vis and 1

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