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| Product Information |
Product name | L-Carnosine |
Molecular Formula | C9H14N4O3 |
Molecular Weight | 226.23 |
CAS No. | 305-84-0 |
Quality Standard | 99% up by HPLC |
Appearance | White to light yellow powder |
| COA Of L-Carnosine |
Item | Specification | Result | Test Method |
Physical Properties | — | — | — |
Appearance | White to light-yellow powder | Almost white powder | Visual Inspection |
Identification (HPLC) | Retention time matches reference standard | Conforms | HPLC |
pH | 7.5-8.5 | 8.3 | pH Meter |
Melting Point | 250.0-265.0°C | 251-252°C | Capillary Tube Method |
Specific Optical Rotation | [α]D²⁵ = +20.0° to +22.0° | 21.3° | Polarimeter |
Chemical Analysis | — | — | — |
Loss on Drying | ≤1.0% | 0.23% | Gravimetric Analysis (105°C) |
Residue on Ignition | ≤0.10% | 0.07% | USP<281> Gravimetric Analysis |
Heavy Metals | ≤10 ppm | Conforms | USP<231> Method II |
Purity & Impurities | — | — | — |
Related Substances - L-Histidine | ≤1.0% | 0.03% | HPLC |
Related Substances - β-Alanine | ≤0.1% | <0.1% | HPLC |
Potency Assay | — | — | — |
Assay (anhydrous basis) | 99.0%-101.0% | 100.8% | HPLC |
Microbiology | — | — | — |
Total Aerobic Count | ≤1000 cfu/g | <10 cfu/g | USP<61> |
Yeast and Mold | ≤100 cfu/g | <10 cfu/g | USP<61> |
Escherichia coli | Not detected | Not detected | USP<62> |
Salmonella | Not detected | Not detected | USP<62> |
Conclusion | The product conforms to the specification | — |
L-Carnosine – Natural Dipeptide for Antioxidant & Neurological Support |
L-Carnosine (CAS 305-84-0) is a naturally occurring dipeptide composed of beta-alanine and histidine, widely recognized for its strong antioxidant properties and diverse health applications. Available as L-Carnosine powder or customized formulations, it is a versatile L-Carnosine supplement used in nutraceuticals, cosmetics, and functional foods. As a leading high purity L-Carnosine supplier, we deliver premium quality materials manufactured under GMP for food supplements to meet global industry standards.
Production & Manufacturing Process |
Our L-Carnosine peptide is produced through an advanced enzymatic synthesis and purification process to ensure stability, solubility, and consistent bioactivity:
Raw Materials: Pharmaceutical-grade beta-alanine and L-histidine as starting substrates.
Enzymatic Catalysis: Green chemistry approach for efficient dipeptide formation.
Purification: Crystallization and filtration for high purity and reduced impurities.
Quality Standards: Manufactured as a food grade L-Carnosine additive with full compliance to GMP for food supplements.
Formulation Ready: Offered as bulk powder for capsules, tablets, or liquid formulations.
Applications & Benefits |
Anti-Aging & Skincare:
L-Carnosine for anti-aging skincare protects skin cells against glycation, oxidative stress, and environmental damage, making it a valuable cosmetic ingredient.
Neurological Support:
Studies highlight L-Carnosine for brain health and neurological protection, showing potential benefits in cognitive decline and neurodegenerative conditions.
Antioxidant Properties:
Provides robust L-Carnosine antioxidant benefits by scavenging reactive oxygen species and stabilizing cell membranes.
Cardiovascular & Metabolic Health:
Supports circulation, glucose metabolism, and cellular repair, making it a multi-functional natural food supplement ingredient.
Why Partner With Us? |
Reliable supplement raw materials sourcing with traceable quality control
High purity L-Carnosine supplier with consistent GMP-grade production
Flexible bulk supply and CDMO services for nutraceuticals and cosmetics
Tailored solutions for capsule, powder, or food-grade additive applications
L-Carnosine stands as a multifunctional antioxidant peptide with applications across anti-aging, cognitive health, and metabolic wellness. With its proven bioactivity and safety profile, it is a preferred ingredient in premium L-Carnosine supplements and functional formulations.
Custom Development Services
Dosage Form Innovation: Lyophilized powders, microspheres, and transdermal patches
Smart Formulation Support:
Neuroprotective Combo: L-Carnosine for neurological protection + curcumin nanoparticles
Enhanced Antioxidant Blends: Glutathione + carnosine synergy
| Product Information |
Product name | L-Carnosine |
Molecular Formula | C9H14N4O3 |
Molecular Weight | 226.23 |
CAS No. | 305-84-0 |
Quality Standard | 99% up by HPLC |
Appearance | White to light yellow powder |
| COA Of L-Carnosine |
Item | Specification | Result | Test Method |
Physical Properties | — | — | — |
Appearance | White to light-yellow powder | Almost white powder | Visual Inspection |
Identification (HPLC) | Retention time matches reference standard | Conforms | HPLC |
pH | 7.5-8.5 | 8.3 | pH Meter |
Melting Point | 250.0-265.0°C | 251-252°C | Capillary Tube Method |
Specific Optical Rotation | [α]D²⁵ = +20.0° to +22.0° | 21.3° | Polarimeter |
Chemical Analysis | — | — | — |
Loss on Drying | ≤1.0% | 0.23% | Gravimetric Analysis (105°C) |
Residue on Ignition | ≤0.10% | 0.07% | USP<281> Gravimetric Analysis |
Heavy Metals | ≤10 ppm | Conforms | USP<231> Method II |
Purity & Impurities | — | — | — |
Related Substances - L-Histidine | ≤1.0% | 0.03% | HPLC |
Related Substances - β-Alanine | ≤0.1% | <0.1% | HPLC |
Potency Assay | — | — | — |
Assay (anhydrous basis) | 99.0%-101.0% | 100.8% | HPLC |
Microbiology | — | — | — |
Total Aerobic Count | ≤1000 cfu/g | <10 cfu/g | USP<61> |
Yeast and Mold | ≤100 cfu/g | <10 cfu/g | USP<61> |
Escherichia coli | Not detected | Not detected | USP<62> |
Salmonella | Not detected | Not detected | USP<62> |
Conclusion | The product conforms to the specification | — |
L-Carnosine – Natural Dipeptide for Antioxidant & Neurological Support |
L-Carnosine (CAS 305-84-0) is a naturally occurring dipeptide composed of beta-alanine and histidine, widely recognized for its strong antioxidant properties and diverse health applications. Available as L-Carnosine powder or customized formulations, it is a versatile L-Carnosine supplement used in nutraceuticals, cosmetics, and functional foods. As a leading high purity L-Carnosine supplier, we deliver premium quality materials manufactured under GMP for food supplements to meet global industry standards.
Production & Manufacturing Process |
Our L-Carnosine peptide is produced through an advanced enzymatic synthesis and purification process to ensure stability, solubility, and consistent bioactivity:
Raw Materials: Pharmaceutical-grade beta-alanine and L-histidine as starting substrates.
Enzymatic Catalysis: Green chemistry approach for efficient dipeptide formation.
Purification: Crystallization and filtration for high purity and reduced impurities.
Quality Standards: Manufactured as a food grade L-Carnosine additive with full compliance to GMP for food supplements.
Formulation Ready: Offered as bulk powder for capsules, tablets, or liquid formulations.
Applications & Benefits |
Anti-Aging & Skincare:
L-Carnosine for anti-aging skincare protects skin cells against glycation, oxidative stress, and environmental damage, making it a valuable cosmetic ingredient.
Neurological Support:
Studies highlight L-Carnosine for brain health and neurological protection, showing potential benefits in cognitive decline and neurodegenerative conditions.
Antioxidant Properties:
Provides robust L-Carnosine antioxidant benefits by scavenging reactive oxygen species and stabilizing cell membranes.
Cardiovascular & Metabolic Health:
Supports circulation, glucose metabolism, and cellular repair, making it a multi-functional natural food supplement ingredient.
Why Partner With Us? |
Reliable supplement raw materials sourcing with traceable quality control
High purity L-Carnosine supplier with consistent GMP-grade production
Flexible bulk supply and CDMO services for nutraceuticals and cosmetics
Tailored solutions for capsule, powder, or food-grade additive applications
L-Carnosine stands as a multifunctional antioxidant peptide with applications across anti-aging, cognitive health, and metabolic wellness. With its proven bioactivity and safety profile, it is a preferred ingredient in premium L-Carnosine supplements and functional formulations.
Custom Development Services
Dosage Form Innovation: Lyophilized powders, microspheres, and transdermal patches
Smart Formulation Support:
Neuroprotective Combo: L-Carnosine for neurological protection + curcumin nanoparticles
Enhanced Antioxidant Blends: Glutathione + carnosine synergy
