(2R,3R)-5,7-dihydroxy-2-(4-hydroxyphenyl)-3-[(2S,3R,4S,5R,6R)-3,4,5-trihydroxy-6-(hydroxymethyl)oxan-2-yl]oxy-2,3-dihydrochromen-4-one

(-)-表儿茶素-3-O-β-D-吡喃葡萄糖苷

(2R,3R)-5,7-dihydroxy-2-(4-hydroxyphenyl)-3-[(2S,3R,4S,5R,6R)-3,4,5-trihydroxy-6-(hydroxymethyl)oxan-2-yl]oxy-2,3-dihydrochromen-4-one (CAS 122170-66-5) is a compound in the Organic Compounds category listed in the Jingsj chemical database. It has the molecular formula C21H22O11 and a molecular weight of 450.4 g/mol. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 122170-66-5
Jingsj CID: J-253488-0
Molecular Formula: C₂₁H₂₂O₁₁
Chinese Name: (-)-表儿茶素-3-O-β-D-吡喃葡萄糖苷
Molecular Weight: 450.4 g/mol
Category: Organic Compounds
Last updated: 8/21/2026

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Frequently Asked Questions

What is the CAS number of (2R,3R)-5,7-dihydroxy-2-(4-hydroxyphenyl)-3-[(2S,3R,4S,5R,6R)-3,4,5-trihydroxy-6-(hydroxymethyl)oxan-2-yl]oxy-2,3-dihydrochromen-4-one?

The CAS number of (2R,3R)-5,7-dihydroxy-2-(4-hydroxyphenyl)-3-[(2S,3R,4S,5R,6R)-3,4,5-trihydroxy-6-(hydroxymethyl)oxan-2-yl]oxy-2,3-dihydrochromen-4-one is 122170-66-5.

What are the molecular formula and molecular weight of (2R,3R)-5,7-dihydroxy-2-(4-hydroxyphenyl)-3-[(2S,3R,4S,5R,6R)-3,4,5-trihydroxy-6-(hydroxymethyl)oxan-2-yl]oxy-2,3-dihydrochromen-4-one?

(2R,3R)-5,7-dihydroxy-2-(4-hydroxyphenyl)-3-[(2S,3R,4S,5R,6R)-3,4,5-trihydroxy-6-(hydroxymethyl)oxan-2-yl]oxy-2,3-dihydrochromen-4-one has molecular formula C21H22O11 and molecular weight 450.4 g/mol.

Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.

Last updated: 8/21/2026

How to cite: Jingsj. "(2R,3R)-5,7-dihydroxy-2-(4-hydroxyphenyl)-3-[(2S,3R,4S,5R,6R)-3,4,5-trihydroxy-6-(hydroxymethyl)oxan-2-yl]oxy-2,3-dihydrochromen-4-one (CAS 122170-66-5)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-253488-0 (accessed 2026-10-25).

Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.