Description

Monascorubramin is a natural red pigment belonging to the azaphilone family, primarily produced by *Monascus* species fungi. This compound is valued for its stable, vibrant color and potential bioactive properties, making it a sought-after alternative to synthetic colorants. It serves critical roles in the food, nutraceutical, and cosmetic industries where natural, clean-label ingredients are required. Our supply of Monascorubramin CAS NO 3627-51-8 ensures consistent quality and reliable performance for demanding industrial applications.

Application

• Natural Food Coloring: Used as a red pigment in meat analogs, dairy products, sauces, and beverages to replace synthetic dyes like Allura Red AC.
• Nutraceutical & Dietary Supplements: Incorporated into capsules and tablets for its color and potential health-promoting properties associated with *Monascus* fermentation products.
• Cosmetics & Personal Care: Provides natural coloration in lipsticks, blushes, and other makeup products where natural ingredient sourcing is a key marketing point.
• Pharmaceutical Excipients: Employed as a safe coloring agent for tablet coatings and capsules in pharmaceutical formulations.
• Biomedical Research: Serves as a reference standard or active compound in studies investigating the biological activities of fungal metabolites.
• Animal Feed Additive: Used to enhance the visual appeal of feed for poultry and aquaculture.

Basic Information

Product Name	Monascorubramin
CAS No.	3627-51-8
Molecular Formula	C23H26O5
Molecular Weight	382.45 g/mol
Synonyms	Monascorubramine; Rubropunctatin derivative; Natural Red 3; Monascus Red; Azaphilone pigment; 3,5-Dimethyl-8-oxo-7-[(2E,4E,6E)-2,4,6,8-tetramethylnona-2,4,6,8-tetraenoyl]-6,7-dihydro-5H-isochromene-1-carboxylic acid; Monascus pigment RP
EINECS	Contact for details

Quality Control

Our Monascorubramin is produced and tested under strict quality management systems to ensure it meets the high standards required for food and nutraceutical applications. Each batch is analyzed for identity, purity, and safety parameters. Certificates of Analysis (COA) documenting purity, heavy metals, and microbiological limits are available upon request. We adhere to relevant guidelines for natural colorants, including FCC and EU specifications for food additives.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry place at a controlled room temperature (15-25°C). The product is light-sensitive and should be handled under appropriate conditions to prevent degradation. Keep the container tightly sealed when not in use to minimize exposure to air and moisture.

Specification

Item	Specification
Appearance	Red to dark red powder
Identification (HPLC/UV)	Conforms to reference standard
Assay (HPLC)	≥ 90.0%
Loss on Drying	≤ 5.0 %
Heavy Metals (as Pb)	≤ 10 ppm
Arsenic (As)	≤ 3 ppm
Total Plate Count	≤ 1000 cfu/g
Yeast & Molds	≤ 100 cfu/g
E. coli	Negative
Salmonella	Negative

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