Cas 866397-49-1,(R)-1,1'-bis[di(p-methylphenyl)phosphino]-9,9'-spirobifluorene

866397-49-1

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Basic information

Product Name: (R)-1,1'-bis[di(p-methylphenyl)phosphino]-9,9'-spirobifluorene
Synonyms: (R)-1,1'-bis[di(p-methylphenyl)phosphino]-9,9'-spirobifluorene
CAS NO:866397-49-1
Molecular Formula:
Molecular Weight: 740.864
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: (R)-1,1'-bis[di(p-methylphenyl)phosphino]-9,9'-spirobifluorene(CAS DataBase Reference)
NIST Chemistry Reference: (R)-1,1'-bis[di(p-methylphenyl)phosphino]-9,9'-spirobifluorene(866397-49-1)
EPA Substance Registry System: (R)-1,1'-bis[di(p-methylphenyl)phosphino]-9,9'-spirobifluorene(866397-49-1)

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: 866397-49-1(Hazardous Substances Data)

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Check Digit Verification of cas no

The CAS Registry Mumber 866397-49-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 8,6,6,3,9 and 7 respectively; the second part has 2 digits, 4 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 866397-49:
(8*8)+(7*6)+(6*6)+(5*3)+(4*9)+(3*7)+(2*4)+(1*9)=231
231 % 10 = 1
So 866397-49-1 is a valid CAS Registry Number.

866397-49-1Upstream product

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866397-49-1Relevant academic research and scientific papers

Highly rigid diphosphane ligands with a large dihedral angle based on a chiral spirobifluorene backbone

Cheng, Xu,Zhang, Qi,Xie, Jian-Hua,Wang, Li-Xin,Zhou, Qi-Lin

, p. 1118 - 1121 (2005)

High and wide: The high rigidity and large dihedral angle of chiral, spirobifluorene-based diphosphane ligands lead to excellent reactivity and enantioselectivity in the ruthenium-catalyzed asymmetric hydrogenation of α,β-unsaturated carboxylic acids (see scheme).

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