137202-49-4Relevant articles and documents
Preparation of E- and Z-α-Arylidene-γ-butyrolactones from Z-α-stannylmethylene-γ-butyrolactones: Stereoselective synthesis of (±) -savinin and (±)-gadain
Lee,Hur,Jeong,Rhee,Chang
, p. 1314 - 1315 (1991)
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137202-49-4
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Basic information
- Product Name: 3-[1-Benzo[1,3]dioxol-5-yl-meth-(Z)-ylidene]-4-benzyl-dihydro-furan-2-one
- Synonyms: 3-[1-Benzo[1,3]dioxol-5-yl-meth-(Z)-ylidene]-4-benzyl-dihydro-furan-2-one
- CAS NO:137202-49-4
- Molecular Formula:
- Molecular Weight: 308.334
- EINECS: N/A
- Product Categories: N/A
- Mol File: 137202-49-4.mol
- Article Data: 1
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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-[1-Benzo[1,3]dioxol-5-yl-meth-(Z)-ylidene]-4-benzyl-dihydro-furan-2-one(CAS DataBase Reference)
- NIST Chemistry Reference: 3-[1-Benzo[1,3]dioxol-5-yl-meth-(Z)-ylidene]-4-benzyl-dihydro-furan-2-one(137202-49-4)
- EPA Substance Registry System: 3-[1-Benzo[1,3]dioxol-5-yl-meth-(Z)-ylidene]-4-benzyl-dihydro-furan-2-one(137202-49-4)
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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: 137202-49-4(Hazardous Substances Data)
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Check Digit Verification of cas no
The CAS Registry Mumber 137202-49-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,7,2,0 and 2 respectively; the second part has 2 digits, 4 and 9 respectively.Calculate Digit Verification of CAS Registry Number 137202-49:
(8*1)+(7*3)+(6*7)+(5*2)+(4*0)+(3*2)+(2*4)+(1*9)=104
104 % 10 = 4
So 137202-49-4 is a valid CAS Registry Number.
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3-[1-Benzo[1,3]dioxol-5-yl-meth-(Z)-ylidene]-4-benzyl-dihydro-furan-2-one
