126209-82-3

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• Basic information

  1. Product Name: 1-[(3R,3aS,9bS)-6,9-Bismethylene-2-oxoperhydroazulene[4,5-b]furan-3-ylmethyl]pyrrolidine-2(S)-carboxylic acid
  2. Synonyms: Involucratine; Saussureamine B
  3. CAS NO:126209-82-3
  4. Molecular Formula: C₂₀H₂₇NO₄
  5. Molecular Weight: 345.44249
  6. EINECS: N/A
  7. Product Categories: N/A
  8. Mol File: 126209-82-3.mol
  9. Article Data: 3

• Chemical Properties

  1. Melting Point: N/A
  2. Boiling Point: N/A
  3. Flash Point: N/A
  4. Appearance: N/A
  5. Density: N/A
  6. Refractive Index: N/A
  7. Storage Temp.: N/A
  8. Solubility: N/A
  9. CAS DataBase Reference: 1-[(3R,3aS,9bS)-6,9-Bismethylene-2-oxoperhydroazulene[4,5-b]furan-3-ylmethyl]pyrrolidine-2(S)-carboxylic acid(CAS DataBase Reference)
  10. NIST Chemistry Reference: 1-[(3R,3aS,9bS)-6,9-Bismethylene-2-oxoperhydroazulene[4,5-b]furan-3-ylmethyl]pyrrolidine-2(S)-carboxylic acid(126209-82-3)
  11. EPA Substance Registry System: 1-[(3R,3aS,9bS)-6,9-Bismethylene-2-oxoperhydroazulene[4,5-b]furan-3-ylmethyl]pyrrolidine-2(S)-carboxylic acid(126209-82-3)

• 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: 126209-82-3(Hazardous Substances Data)

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126209-82-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 126209-82-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,6,2,0 and 9 respectively; the second part has 2 digits, 8 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 126209-82:
(8*1)+(7*2)+(6*6)+(5*2)+(4*0)+(3*9)+(2*8)+(1*2)=113
113 % 10 = 3
So 126209-82-3 is a valid CAS Registry Number.

126209-82-3Upstream product

• 74299-48-2 dehydrocostus lactone 
• 147-85-3 L-proline 

126209-82-3Downstream Products

126209-82-3Relevant articles and documents

Saussureamines A, B, C, D, and E, new anti-ulcer principles from Chinese Saussureae radix

Yoshikawa,Hatakeyama,Inoue,Yamahara

, p. 214 - 216 (1993)

Five new amino acid-sesquiterpene adducts, saussureamines A, B, C, D, and E, were isolated from Chinese Saussureae Radix, the dried root of Saussurea lappa Clarke, together with a new lignan glycoside, (-)-massoniresinol 4-O-β-D-glucopyranoside. Their structures were determined on the basis of chemical and physicochemical evidence. Among of these compounds, saussureamines A, B, C showed anti-ulcer effect on HCl/ethanol-induced lesions in rats, and saussureamine A also exhibited an inhibitory activity on stress-induced ulcer formation in mice. During the course of these studies, facile conversion from sesquiterpene having an α-methylene γ-lactone function to amino acid-sesquiterpene adduct has been accomplished by means of Michael type addition reaction.

Absolute stereostructures and syntheses of saussureamines A, B, C, D and E, amino acid-sesquiterpene conjugates with gastroprotective effect, from the roots of Saussurea lappa

Matsuda, Hisashi,Kageura, Tadashi,Inoue, Yasunao,Morikawa, Toshio,Yoshikawa, Masayuki

, p. 7763 - 7777 (2007/10/03)

From the methanolic extract of the dried roots of Saussurea lappa Clarke, Saussureae Radix, five amino acid-sesquiterpene conjugates, saussureamines A, B, C, D and E, were isolated together with a lignan glycoside, (-)-massoniresinol 4-O-β-D-glucopyranoside. Their stereostructures were determined on the basis of chemical and physicochemical evidence. In addition, saussureamines and the related amino acid-sesquiterpene conjugates were synthesized using a Michael type addition reaction of amino acid to the α-methylene-γ-lactone moiety of sesquiterpenes. Saussureamines A, B and C, costunolide and dehydrocostus lactone showed a gastroprotective effect on acidified ethanol-induced gastric mucosal lesions in rats. Saussureamines A also exhibited an inhibitory effect on gastric mucosal lesions induced by water-immersion stress in mice. (C) 2000 Elsevier Science Ltd.

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