Molekula
Baicalin CRS - EDQM
Supplying 4,500+ customers in over 80 countries
ISO 9001:2015 & ISO 14001:2015 certified · Supplying laboratories and industry since 2000 · Listed pack sizes are a starting point — we manufacture, source and repack to the quantity you need
Baicalin CRS is a high-purity reference standard of the flavonoid baicalin, widely used in pharmaceutical analysis, quality control, and research for its antioxidant, anti-inflammatory, and antimicrobial properties. This EDQM-certified standard is essential for validating analytical methods in herbal medicine and supplement testing. Baicalin CRS has a CAS number of 21967-41-9, molecular formula C21H18O11, and a molecular weight of 446.36 g/mol. It is stable at ambient storage conditions, with a signal word of Warning for safety handling. Molekula supplies Baicalin CRS from research to bulk quantities with full documentation and ISO 9001:2015 traceability.
Example image for illustration only. Other packaging and pack sizes are available.
Pricing & pack sizes
Pack sizes & pricing
Pricing on request — packs available from research to bulk quantities.
Need a different quantity or pack?
Tell us how much you need and when — drums, IBCs, sacks or a one-off bulk lot. We'll manufacture or source it and come back with a price.
Prices exclude VAT/sales tax and shipping.
Specifications
Specifications available on request — see Documents below or contact our sales team.
Storage & handling
| Property | Value |
|---|---|
| Storage Temperature | Ambient |
| Acidity | Acid |
Identification
| Property | Value |
|---|---|
| SKU | 90033277 |
| CAS Number | 21967-41-9 |
| IUPAC Name | (2S,3S,4S,5R,6S)-6-(5,6-dihydroxy-4-oxo-2-phenylchromen-7-yl)oxy-3,4,5-trihydroxyoxane-2-carboxylic acid |
| Molecular Formula | C21H18O11 |
| Molecular Weight | 446.36 |
| Exact Mass | 446.0849 |
| SMILES | C1=CC=C(C=C1)C2=CC(=O)C3=C(C(=C(C=C3O2)O[C@H]4[C@@H]([C@H]([C@@H]([C@H](O4)C(=O)O)O)O)O)O)O |
| InChIKey | IKIIZLYTISPENI-ZFORQUDYSA-N |
| InChI | InChI=1S/C21H18O11/c22-9-6-10(8-4-2-1-3-5-8)30-11-7-12(14(23)15(24)13(9)11)31-21-18(27)16(25)17(26)19(32-21)20(28)29/h1-7,16-19,21,23-27H,(H,28,29)/t16-,17-,18+,19-,21+/m0/s1 |
| PubChem CID | 64982 |
| REACH Code | Y113 |
| HTS Code | 29389000 |
| Tariff Code | 2932990090 |
Safety & GHS
-
Health Hazard
GHS07
Hazard statements
- H302 Harmful if swallowed
- H315 Causes skin irritation
- H319 Causes serious eye irritation
- H335 May cause respiratory irritation
Precautionary statements
- P261 Avoid breathing dust/fume/gas/mist/vapours/spray
- P264 Wash thoroughly after handling
- P280 Wear protective gloves/protective clothing/eye protection/face protection
- P302+352 IF ON SKIN: Wash with soap and water
- P304+340 IF INHALED: Remove victim to fresh air and keep at rest in a position comfortable for breathing
- P305+351+338 IF IN EYES: Rinse with water for several minutes. Remove contact lenses if present and easy to do. Continue rinsing
Documents
Safety Data Sheets (SDS)
Available in English, English (US), French, German, Italian, Spanish.
Certificate of Analysis (CoA) by batch
Enter a lot or batch number to retrieve the CoA for that specific batch. We can generate one from spec data if no PDF is on file.
Synonyms
- 5,6-dihydroxy-4-oxo-2-phenyl-4H-chromen-7-yl beta-D-glucopyranosiduronic acid
- 5,6,7-trihydroxyflavone 7-O-beta-D-glucuronide
- 5,6,7-trihydroxyflavone-7-O-beta-D-glucuronate
- 7-D-Glucuronic acid-5,6-dihydroxyflavone
- Baicalein 7-glucuronide
- Baicalein 7-O-.beta.-D-glucuronide
- Baicalein 7-O-glucuronide
- Baicalin
- Baicaloside
Frequently asked questions
What is Baicalin CRS - EDQM used for?
Baicalin CRS (Certified Reference Standard) is primarily used for analytical calibration, method validation, and quality control in pharmaceutical and herbal product testing, particularly for Scutellaria baicalensis (Huang Qin) extracts.
What is the chemical formula and molecular weight of Baicalin?
The chemical formula is **C21H18O11**, and the molecular weight is **446.36 g/mol**.
How should Baicalin CRS be stored?
Store Baicalin CRS at **ambient temperature** in a dry place, away from direct sunlight and moisture.
What grade of Baicalin does Molekula supply?
Molekula supplies **Baicalin CRS (Certified Reference Standard) – EDQM grade**, meeting European Pharmacopoeia standards for analytical accuracy.
Can Molekula supply Baicalin CRS in bulk quantities?
Yes, bulk quantities of Baicalin CRS are available upon request—contact our sales team for pricing and lead times.
What documentation comes with a Baicalin CRS order?
Each order includes a **Certificate of Analysis (CoA)**, **Material Safety Data Sheet (MSDS)**, and **batch-specific documentation** for traceability.
Ready to order or need a custom pack?
Tell us the product, grade, and quantity — Molekula usually responds within one working day with pricing and lead time.