Cas 138690-92-3,diphenyl-1-S-<4-(diphenylmethylene)-1,4-dihydro-1-hydroxynaphthyl>-dithiophosphinic acid ester

138690-92-3

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Basic information

Product Name: diphenyl-1-S-<4-(diphenylmethylene)-1,4-dihydro-1-hydroxynaphthyl>-dithiophosphinic acid ester
Synonyms:
CAS NO:138690-92-3
Molecular Formula:
Molecular Weight: 558.705
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: diphenyl-1-S-<4-(diphenylmethylene)-1,4-dihydro-1-hydroxynaphthyl>-dithiophosphinic acid ester(CAS DataBase Reference)
NIST Chemistry Reference: diphenyl-1-S-<4-(diphenylmethylene)-1,4-dihydro-1-hydroxynaphthyl>-dithiophosphinic acid ester(138690-92-3)
EPA Substance Registry System: diphenyl-1-S-<4-(diphenylmethylene)-1,4-dihydro-1-hydroxynaphthyl>-dithiophosphinic acid ester(138690-92-3)

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: 138690-92-3(Hazardous Substances Data)

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Check Digit Verification of cas no

The CAS Registry Mumber 138690-92-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,8,6,9 and 0 respectively; the second part has 2 digits, 9 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 138690-92:
(8*1)+(7*3)+(6*8)+(5*6)+(4*9)+(3*0)+(2*9)+(1*2)=163
163 % 10 = 3
So 138690-92-3 is a valid CAS Registry Number.

138690-92-3Upstream product

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138690-92-3Relevant academic research and scientific papers

REACTION OF 1-(DIPHENYLMETHYLENE)-2(1H)- AND 4-(DIPHENYLMETHYLENE)-1(4H)-NAPHTHALENONES WITH THIOL PHOSPHORIC ACIDS, LAWESSON REAGENT AND PHOSPHORUS PENTASULPHIDE

El-Kateb, A. A.,Hennawy, I. T.,Shabana, R.,Abdel-Malek, A. H.

, p. 13 - 17 (2007/10/02)

Naphthalenone 1 reacts with thiol phosphoric acids 3 and 6 to give adducts 5 and 7, respectively.Reaction of 1 with Lawsesson reagent 8 and P4S10 gives adducts 9 and 10, respectively.On the other hand, reaction of naphthalenone 2 with reagent 3 and 6 lead

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