Cas 898157-43-2,2-(4,5-dichloro-2-nitrophenyl)-4-methyl-1,2-dihydrophthalazin-1(2H)-one

898157-43-2

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Basic information

Product Name: 2-(4,5-dichloro-2-nitrophenyl)-4-methyl-1,2-dihydrophthalazin-1(2H)-one
Synonyms:
CAS NO:898157-43-2
Molecular Formula:
Molecular Weight: 350.161
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: 2-(4,5-dichloro-2-nitrophenyl)-4-methyl-1,2-dihydrophthalazin-1(2H)-one(CAS DataBase Reference)
NIST Chemistry Reference: 2-(4,5-dichloro-2-nitrophenyl)-4-methyl-1,2-dihydrophthalazin-1(2H)-one(898157-43-2)
EPA Substance Registry System: 2-(4,5-dichloro-2-nitrophenyl)-4-methyl-1,2-dihydrophthalazin-1(2H)-one(898157-43-2)

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: 898157-43-2(Hazardous Substances Data)

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Check Digit Verification of cas no

The CAS Registry Mumber 898157-43-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 8,9,8,1,5 and 7 respectively; the second part has 2 digits, 4 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 898157-43:
(8*8)+(7*9)+(6*8)+(5*1)+(4*5)+(3*7)+(2*4)+(1*3)=232
232 % 10 = 2
So 898157-43-2 is a valid CAS Registry Number.

898157-43-2Upstream product

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898157-43-2Relevant academic research and scientific papers

Benzo[4,5]imidazo[2,1-a]phthalazines: I. Substituted o- nitrophenylhydrazines in the synthesis of phthalazin-1(2H)-ones

Kuznetsov,Shubin,Shchipalkin,Teplyakov,Petrov

experimental part, p. 731 - 735 (2009/04/07)

Efficient cyclization procedure was developed for 2-nitro-, 2,4-dinitro-, 2-nitro-5-chloro-, and 4,5-dichloro-2-nitrophenylhydrazines with 2-acylbenzoic acids by heating the reagents in a mixture of of concentrated sulfuric acid and ethanol. A series of n

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