Description

Forsythoside B CAS NO 81525-13-5 is a bioactive phenylpropanoid glycoside compound primarily extracted from the *Forsythia suspensa* plant. This compound is valued for its significant pharmacological properties, including anti-inflammatory, antioxidant, and antiviral activities. It is a critical raw material and reference standard for the pharmaceutical, nutraceutical, and research sectors, where consistent quality and purity are paramount for product efficacy and regulatory compliance.

Application

• Pharmaceutical Intermediates: Serves as a key active ingredient or precursor in the development of anti-inflammatory and antiviral medications.
• Reference Standards: Used as a high-purity certified reference material (CRM) for quality control and analytical method development in laboratories.
• Nutraceutical & Dietary Supplements: Incorporated into formulations for its antioxidant benefits and to support immune system function.
• Biomedical Research: Employed in in-vitro and in-vivo studies to investigate mechanisms of action, pharmacokinetics, and therapeutic potential.
• Cosmeceuticals: Utilized in advanced skincare products for its anti-inflammatory and protective properties against environmental stressors.
• Traditional Medicine Standardization: Acts as a marker compound for the quality assurance and standardization of herbal extracts, particularly those containing *Forsythia suspensa*.

Basic Information

Product Name	Forsythoside B
CAS No.	81525-13-5
Molecular Formula	C29H36O15
Molecular Weight	624.59 g/mol
Synonyms	Forsythoside B; Forsythiaside B; 3,4-Dihydroxy-β-phenethyl-O-α-L-rhamnopyranosyl-(1→6)-4-O-caffeoyl-β-D-glucopyranoside; Caffeic acid β-D-glucopyranosyl-(1→6)-α-L-rhamnopyranosyl-(1→3)-β-D-glucopyranoside derivative; Suspensaside B; (E)-3-(3,4-Dihydroxyphenyl)acrylic acid [(2S,3R,4S,5S,6R)-6-[[(2S,3R,4R,5R,6S)-3,4,5-trihydroxy-6-methyl-2-tetrahydropyranyl]oxy]-3,4,5-trihydroxy-2-tetrahydropyranyl]methyl ester
EINECS	Contact for details

Quality Control

Our Forsythoside B is manufactured under strict quality management systems. Each batch undergoes comprehensive analytical testing, including HPLC for purity and identity confirmation (IR, MS), to ensure it meets stringent specifications for pharmaceutical and research applications. Certificates of Analysis (COA) detailing all test results are available upon request.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry place at a controlled room temperature (15-25°C). This product is hygroscopic (moisture-sensitive) and must be kept in a desiccated environment to maintain stability and purity.

Specification

Item	Specification
Appearance	White to off-white powder
Identification (HPLC)	Conforms to reference standard
Identification (IR)	Conforms to structure
Assay (HPLC)	≥95.0%
Loss on Drying	≤5.0%
Residue on Ignition	≤0.5%
Heavy Metals	≤20 ppm
Solvent Residues	Complies with ICH guidelines

Note: Specifications can be tailored. Please contact us for the detailed technical data sheet of a specific grade.