126655-10-5

• 

• Basic information

  1. Product Name: [2-(3,4-dihydroxyphenyl)-3,5,7-trihydroxy-3,4-dihydro-2H-chromen-2-yl]acetic acid
  2. Synonyms: 2H-1-Benzopyran-4-acetic acid, 2-(3,4-dihydroxyphenyl)-3,4-dihydro-3,5,7-trihydroxy-, (2R,3R,4S)-
  3. CAS NO:126655-10-5
  4. Molecular Formula: C₁₇H₁₆O₈
  5. Molecular Weight: 348.3041
  6. EINECS: N/A
  7. Product Categories: N/A
  8. Mol File: 126655-10-5.mol
  9. Article Data: 2

• Chemical Properties

  1. Melting Point: N/A
  2. Boiling Point: 749.7°C at 760 mmHg
  3. Flash Point: 278.6°C
  4. Appearance: N/A
  5. Density: 1.636g/cm³
  6. Vapor Pressure: 1.3E-23mmHg at 25°C
  7. Refractive Index: 1.723
  8. Storage Temp.: N/A
  9. Solubility: N/A
  10. PKA: 4.44±0.10(Predicted)
  11. CAS DataBase Reference: [2-(3,4-dihydroxyphenyl)-3,5,7-trihydroxy-3,4-dihydro-2H-chromen-2-yl]acetic acid(CAS DataBase Reference)
  12. NIST Chemistry Reference: [2-(3,4-dihydroxyphenyl)-3,5,7-trihydroxy-3,4-dihydro-2H-chromen-2-yl]acetic acid(126655-10-5)
  13. EPA Substance Registry System: [2-(3,4-dihydroxyphenyl)-3,5,7-trihydroxy-3,4-dihydro-2H-chromen-2-yl]acetic acid(126655-10-5)

• 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: 126655-10-5(Hazardous Substances Data)

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• Usage
• SDS
• Upstream product
• Downstream Products
• Article

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126655-10-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 126655-10-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,6,6,5 and 5 respectively; the second part has 2 digits, 1 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 126655-10:
(8*1)+(7*2)+(6*6)+(5*6)+(4*5)+(3*5)+(2*1)+(1*0)=125
125 % 10 = 5
So 126655-10-5 is a valid CAS Registry Number.

126655-10-5SDS

SAFETY DATA SHEETS

According to Globally Harmonized System of Classification and Labelling of Chemicals (GHS) - Sixth revised edition

Version: 1.0

Creation Date: Aug 19, 2017

Revision Date: Aug 19, 2017

1.Identification

1.1 GHS Product identifier

Product name	4β-carboxymethyl-(-)-epicatechin

1.2 Other means of identification

Product number	-
Other names	dryopteric acid

1.3 Recommended use of the chemical and restrictions on use

Identified uses	For industry use only.
Uses advised against	no data available

1.4 Supplier's details

1.5 Emergency phone number

Emergency phone number	-
Service hours	Monday to Friday, 9am-5pm (Standard time zone: UTC/GMT +8 hours).

More Details:126655-10-5 SDS

126655-10-5Upstream product

• 126722-61-0 epicatechin-(4β-8)-4β-carboxymethylepicatechin 
• 100-53-8 phenylmethanethiol 
• 126722-62-1 epicatechin-(4β-8)-4β-carboxymethylepicatechin potassium salt 
• 126654-98-6 epicatechin-(4β-8)-4β-carboxymethylepicatechin sodium salt 
• 478241-15-5 Acetic acid (2R,3S,4S)-3,5,7-tris-benzyloxy-2-(3,4-bis-benzyloxy-phenyl)-chroman-4-yl ester 
• 87292-49-7 5,7,3',4'-tetra-O-benzylepicatechin 
• 301539-02-6 3,5,7,3',4'-penta-O-benzylepicatechin 
• 478241-22-4 [(2R,3R,4S)-3,5,7-Tris-benzyloxy-2-(3,4-bis-benzyloxy-phenyl)-chroman-4-yl]-acetic acid benzyl ester 

126655-10-5Downstream Products

126655-10-5Relevant articles and documents

Stereoselective substitution of flavan skeletons: Synthesis of dryopteric acid

Ohmori, Ken,Ushimaru, Naoko,Suzuki, Keisuke

, p. 7753 - 7756 (2007/10/03)

The C(4) acetoxylated catechin and epicatechin derivatives, 4 and 5, smoothly react with various nucleophiles under Lewis acidic conditions, giving C(4)-elaborated flavan-3-ols. Facile synthesis of dryopteric acid (3) was achieved.

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