Cas 14990-99-9,3-ethyl-2,5,8-trihydroxy-6,7-dimethoxy-1,4-naphthoquinone

14990-99-9

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Basic information

Product Name: 3-ethyl-2,5,8-trihydroxy-6,7-dimethoxy-1,4-naphthoquinone
Synonyms: 3-ethyl-2,5,8-trihydroxy-6,7-dimethoxy-1,4-naphthoquinone
CAS NO:14990-99-9
Molecular Formula:
Molecular Weight: 294.261
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-ethyl-2,5,8-trihydroxy-6,7-dimethoxy-1,4-naphthoquinone(CAS DataBase Reference)
NIST Chemistry Reference: 3-ethyl-2,5,8-trihydroxy-6,7-dimethoxy-1,4-naphthoquinone(14990-99-9)
EPA Substance Registry System: 3-ethyl-2,5,8-trihydroxy-6,7-dimethoxy-1,4-naphthoquinone(14990-99-9)

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: 14990-99-9(Hazardous Substances Data)

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Check Digit Verification of cas no

The CAS Registry Mumber 14990-99-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,4,9,9 and 0 respectively; the second part has 2 digits, 9 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 14990-99:
(7*1)+(6*4)+(5*9)+(4*9)+(3*0)+(2*9)+(1*9)=139
139 % 10 = 9
So 14990-99-9 is a valid CAS Registry Number.

14990-99-9Upstream product

133039-72-2 2-ethyl-5,8-dihydroxy-3,6,7-trimethoxy-[1,4]naphthoquinone

14990-99-9Downstream Products

14990-99-9Relevant academic research and scientific papers

Cytotoxic activity of intermediates and side products of echinochrome synthesis

Pokhilo,Kiseleva,Makhan'kov,Anufriev

scheme or table, p. 287 - 291 (2009/04/04)

The cytotoxic activity of the principal intermediates and side products of echinochrome synthesis toward gametes of the sea urchin Strogylocentrotus intermedius was studied. Di-and trichloro naphthazarin derivatives with two vicinal Cl atoms were the most

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