Cas 138768-03-3,(3aS,4S,6aR)-4-Hydroxy-3a-methyl-3-methylene-hexahydro-cyclopenta[b]furan-2-one

138768-03-3

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Basic information

Product Name: (3aS,4S,6aR)-4-Hydroxy-3a-methyl-3-methylene-hexahydro-cyclopenta[b]furan-2-one
Synonyms:
CAS NO:138768-03-3
Molecular Formula:
Molecular Weight: 168.192
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: (3aS,4S,6aR)-4-Hydroxy-3a-methyl-3-methylene-hexahydro-cyclopenta[b]furan-2-one(CAS DataBase Reference)
NIST Chemistry Reference: (3aS,4S,6aR)-4-Hydroxy-3a-methyl-3-methylene-hexahydro-cyclopenta[b]furan-2-one(138768-03-3)
EPA Substance Registry System: (3aS,4S,6aR)-4-Hydroxy-3a-methyl-3-methylene-hexahydro-cyclopenta[b]furan-2-one(138768-03-3)

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: 138768-03-3(Hazardous Substances Data)

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Check Digit Verification of cas no

The CAS Registry Mumber 138768-03-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,8,7,6 and 8 respectively; the second part has 2 digits, 0 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 138768-03:
(8*1)+(7*3)+(6*8)+(5*7)+(4*6)+(3*8)+(2*0)+(1*3)=163
163 % 10 = 3
So 138768-03-3 is a valid CAS Registry Number.

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138768-03-3Relevant academic research and scientific papers

A Catalytic Asymmetric Synthesis of α-Methylene Lactones by the Palladium-catalysed Carbonylation of Prochiral Alkenyl Halides

Suzuki, Takeyuki,Uozumi, Yasuhiro,Shibasaki, Masakatsu

, p. 1593 - 1595 (2007/10/02)

A catalytic asymmetric synthesis of the α-methylene lactones starting with the prochiral alkenyl halides 8 and 19 has been achieved for the first time, giving 9 in 57percent enantiomeric excess (e.e.) and 20 in 39percent e.e., respectively.

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