Cas 143236-84-4,(7R,8S)-8,9-dimethyl-2,3,5,7-tetraphenyl-1,4,6-trioxa-9-aza-5-phospha(P<sup>V</sup>)spiro<4.4>non-2-ene

143236-84-4

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Basic information

Product Name: (7R,8S)-8,9-dimethyl-2,3,5,7-tetraphenyl-1,4,6-trioxa-9-aza-5-phospha(P^V)spiro<4.4>non-2-ene
Synonyms:
CAS NO:143236-84-4
Molecular Formula:
Molecular Weight: 481.531
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: (7R,8S)-8,9-dimethyl-2,3,5,7-tetraphenyl-1,4,6-trioxa-9-aza-5-phospha(P^V)spiro<4.4>non-2-ene(CAS DataBase Reference)
NIST Chemistry Reference: (7R,8S)-8,9-dimethyl-2,3,5,7-tetraphenyl-1,4,6-trioxa-9-aza-5-phospha(P^V)spiro<4.4>non-2-ene(143236-84-4)
EPA Substance Registry System: (7R,8S)-8,9-dimethyl-2,3,5,7-tetraphenyl-1,4,6-trioxa-9-aza-5-phospha(P^V)spiro<4.4>non-2-ene(143236-84-4)

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: 143236-84-4(Hazardous Substances Data)

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Check Digit Verification of cas no

The CAS Registry Mumber 143236-84-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,4,3,2,3 and 6 respectively; the second part has 2 digits, 8 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 143236-84:
(8*1)+(7*4)+(6*3)+(5*2)+(4*3)+(3*6)+(2*8)+(1*4)=114
114 % 10 = 4
So 143236-84-4 is a valid CAS Registry Number.

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143236-84-4Relevant academic research and scientific papers

Pseudorotational, Conformational, and NOE Studies of Pentacovalent Spirophospholenes Derived from Ephedrine and α-Diketones

McClure, Cynthia K.,Grote, Christopher W.,Lockett, Bruce A.

, p. 5195 - 5200 (1992)

Variable-temperature NMR studies showed the chiral pentacovalent dioxaphospholenes 1-3 to be pseudorotationally stable below 60 deg C. ΔG*PSDRTN for 1 and 2 were determined to be 22.0 +/- 2.1 kcal/mol and 33.0 +/- 2.6 kcal/mol, respectively.The

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