Cas 85950-34-1,(2R,3S,4R)-3-acetoxy-8-<(2R,3S,4R)-3-acetoxy-3',4',7-trimethoxyflavan-4-yl>-6-<(2R,3S,4S)-3-acetoxy-3',4',7-trimethoxyflavan-4-yl>-4-<(2R,3S)-3-acetoxy-3',4',7-trimethoxyflavan-6-yl>-3',4',7-trimethoxyflavan

85950-34-1

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Product Name: (2R,3S,4R)-3-acetoxy-8-<(2R,3S,4R)-3-acetoxy-3',4',7-trimethoxyflavan-4-yl>-6-<(2R,3S,4S)-3-acetoxy-3',4',7-trimethoxyflavan-4-yl>-4-<(2R,3S)-3-acetoxy-3',4',7-trimethoxyflavan-6-yl>-3',4',7-trimethoxyflavan
Synonyms:
CAS NO:85950-34-1
Molecular Formula:
Molecular Weight: 1427.52
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: (2R,3S,4R)-3-acetoxy-8-<(2R,3S,4R)-3-acetoxy-3',4',7-trimethoxyflavan-4-yl>-6-<(2R,3S,4S)-3-acetoxy-3',4',7-trimethoxyflavan-4-yl>-4-<(2R,3S)-3-acetoxy-3',4',7-trimethoxyflavan-6-yl>-3',4',7-trimethoxyflavan(CAS DataBase Reference)
NIST Chemistry Reference: (2R,3S,4R)-3-acetoxy-8-<(2R,3S,4R)-3-acetoxy-3',4',7-trimethoxyflavan-4-yl>-6-<(2R,3S,4S)-3-acetoxy-3',4',7-trimethoxyflavan-4-yl>-4-<(2R,3S)-3-acetoxy-3',4',7-trimethoxyflavan-6-yl>-3',4',7-trimethoxyflavan(85950-34-1)
EPA Substance Registry System: (2R,3S,4R)-3-acetoxy-8-<(2R,3S,4R)-3-acetoxy-3',4',7-trimethoxyflavan-4-yl>-6-<(2R,3S,4S)-3-acetoxy-3',4',7-trimethoxyflavan-4-yl>-4-<(2R,3S)-3-acetoxy-3',4',7-trimethoxyflavan-6-yl>-3',4',7-trimethoxyflavan(85950-34-1)

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Safety Statements: N/A
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RTECS:
HazardClass: N/A
PackingGroup: N/A
Hazardous Substances Data: 85950-34-1(Hazardous Substances Data)

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Check Digit Verification of cas no

The CAS Registry Mumber 85950-34-1 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,5,9,5 and 0 respectively; the second part has 2 digits, 3 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 85950-34:
(7*8)+(6*5)+(5*9)+(4*5)+(3*0)+(2*3)+(1*4)=161
161 % 10 = 1
So 85950-34-1 is a valid CAS Registry Number.

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85950-34-1Relevant academic research and scientific papers

Synthesis of Condensed Tannins. Part 8. The First 'Branched' -Tetraflavanoid. Coupling Sequence and Absolute Configuration

Steenkamp, Jacobus A.,Ferreira, Daneel,Roux, David G.,Hull, William E.

, p. 23 - 28 (2007/10/02)

Condensation of (+)-(2R)-2,3-trans-3,4-trans-flavan-3,3',4,4',7-pentaol with excess of (-)-(2R)-2,3-trans-flavan-3,3',4',7-tetraol proceeds beyond the expected biflavanoid range to generate significant yields of both the 'linear' -2,3-trans-3,4-cis:2',3'-trans-3',4'-trans:2'',3''-trans-trifisetinidol and the first 'branched' -2,3-trans-3,4-cis:2',3'-trans-3',4'-trans:2'',3''-trans:3'',4''-trans:2''',3'''-trans-tetrafisetinidol.

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