(2R,3R)-3-(β-D-Glucopyranosyloxy)-2,3-dihydro-7-hydroxy-2-(4-hydroxyphenyl)-4H-1-benzopyran-4-one is a complex organic compound with a molecular formula of C22H22O10. This chemical is a flavonoid, specifically a flavanone glycoside, which is derived from the natural product quercetin. It is characterized by the presence of a glucose molecule attached to the 3-position of the flavanone core through a β-D-glycosidic linkage. The compound exhibits a 2,3-dihydro structure, with a hydroxyl group at the 7-position and a 4-hydroxyphenyl group at the 2-position. This particular stereoisomer has the 2R,3R configuration, indicating that both the 2- and 3-hydroxyl groups are in the R configuration. Flavonoids like (2R,3R)-3-(β-D-Glucopyranosyloxy)-2,3-dihydro-7-hydroxy-2-(4-hydroxyphenyl)-4H-1-benzopyran-4-one are known for their antioxidant properties and are often found in plants, where they contribute to color and may have potential health benefits.

19146-28-2

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Basic information
1. Product Name: (2R,3R)-3-(β-D-Glucopyranosyloxy)-2,3-dihydro-7-hydroxy-2-(4-hydroxyphenyl)-4H-1-benzopyran-4-one
2. Synonyms: (2R,3R)-3-(β-D-Glucopyranosyloxy)-2,3-dihydro-7-hydroxy-2-(4-hydroxyphenyl)-4H-1-benzopyran-4-one;Lecontin
3. CAS NO:19146-28-2
4. Molecular Formula: C21H22O10
5. Molecular Weight: 434.39338
6. EINECS: N/A
7. Product Categories: N/A
8. Mol File: 19146-28-2.mol
Chemical Properties
1. Melting Point: N/A
2. Boiling Point: N/A
3. Flash Point: N/A
4. Appearance: /
5. Density: N/A
6. Refractive Index: N/A
7. Storage Temp.: N/A
8. Solubility: N/A
9. CAS DataBase Reference: (2R,3R)-3-(β-D-Glucopyranosyloxy)-2,3-dihydro-7-hydroxy-2-(4-hydroxyphenyl)-4H-1-benzopyran-4-one(CAS DataBase Reference)
10. NIST Chemistry Reference: (2R,3R)-3-(β-D-Glucopyranosyloxy)-2,3-dihydro-7-hydroxy-2-(4-hydroxyphenyl)-4H-1-benzopyran-4-one(19146-28-2)
11. EPA Substance Registry System: (2R,3R)-3-(β-D-Glucopyranosyloxy)-2,3-dihydro-7-hydroxy-2-(4-hydroxyphenyl)-4H-1-benzopyran-4-one(19146-28-2)
Safety Data
1. Hazard Codes: N/A
2. Statements: N/A
3. Safety Statements: N/A
4. WGK Germany:
5. RTECS:
6. HazardClass: N/A
7. PackingGroup: N/A
8. Hazardous Substances Data: 19146-28-2(Hazardous Substances Data)

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Check Digit Verification of cas no

The CAS Registry Mumber 19146-28-2 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,9,1,4 and 6 respectively; the second part has 2 digits, 2 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 19146-28:
(7*1)+(6*9)+(5*1)+(4*4)+(3*6)+(2*2)+(1*8)=112
112 % 10 = 2
So 19146-28-2 is a valid CAS Registry Number.

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