Cas 86849-64-1,(2R,3R,4R)-2,3-cis-3,4-trans-3,3',4',5,7-pentahydroxy-4-<(2R,3S,4S)-2,3-cis-3,4-trans-3,3',4',5,7-pentahydroxy-4-phenylthioflavan-6-yl>flavan

86849-64-1

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Product Name: (2R,3R,4R)-2,3-cis-3,4-trans-3,3',4',5,7-pentahydroxy-4-<(2R,3S,4S)-2,3-cis-3,4-trans-3,3',4',5,7-pentahydroxy-4-phenylthioflavan-6-yl>flavan
Synonyms:
CAS NO:86849-64-1
Molecular Formula:
Molecular Weight: 686.693
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,3R,4R)-2,3-cis-3,4-trans-3,3',4',5,7-pentahydroxy-4-<(2R,3S,4S)-2,3-cis-3,4-trans-3,3',4',5,7-pentahydroxy-4-phenylthioflavan-6-yl>flavan(CAS DataBase Reference)
NIST Chemistry Reference: (2R,3R,4R)-2,3-cis-3,4-trans-3,3',4',5,7-pentahydroxy-4-<(2R,3S,4S)-2,3-cis-3,4-trans-3,3',4',5,7-pentahydroxy-4-phenylthioflavan-6-yl>flavan(86849-64-1)
EPA Substance Registry System: (2R,3R,4R)-2,3-cis-3,4-trans-3,3',4',5,7-pentahydroxy-4-<(2R,3S,4S)-2,3-cis-3,4-trans-3,3',4',5,7-pentahydroxy-4-phenylthioflavan-6-yl>flavan(86849-64-1)

Safety Data

Hazard Codes: N/A
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Safety Statements: N/A
WGK Germany:
RTECS:
HazardClass: N/A
PackingGroup: N/A
Hazardous Substances Data: 86849-64-1(Hazardous Substances Data)

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Check Digit Verification of cas no

The CAS Registry Mumber 86849-64-1 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,6,8,4 and 9 respectively; the second part has 2 digits, 6 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 86849-64:
(7*8)+(6*6)+(5*8)+(4*4)+(3*9)+(2*6)+(1*4)=191
191 % 10 = 1
So 86849-64-1 is a valid CAS Registry Number.

86849-64-1Upstream product

86849-67-4 (2R,3S,4S)-2,3-cis-3,4-trans-3,3',4',5,7-pentahydroxy-4-phenylthioflavan

86849-64-1Downstream Products

12798-57-1 procyanidin B₅

86849-64-1Relevant academic research and scientific papers

Condensed Tannins: Quinone Methide Intermediates in Procyanidin Synthesis

Hemingway, Richard W.,Foo, L. Yeap

, p. 1035 - 1036 (1983)

Comparisons of acid- and base-catalysed reactions of epicatechin-(4β)-phenyl sulphide and leucocyanidin show that condensations proceed more rapidly at alkaline than at acidic pH so the biosynthesis of condensed tannins may occur through a quinone methide rather than a carbocation intermediate.

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