L-Carnosine, Beta-Alanyl-L-Histidine, USP30


Weight: 100g
Precio:
Precio de venta$77.00

Descripción

L-Carnosine is a dipeptide molecule and non-enzymatic free radical scavenger and a natural antioxidan, made up of the amino acids beta-alanine and histidine. It is highly concentrated in muscle and brain tissues.

Specification:

CAS Number:

305-84-0

Chemical Formula:

C9H14N4O3

Molecular Weight:

226.2346

Melting Point:

250°C~265°C

Particle Size:

100mesh

 

Analytical Procedure

Specification

 

Appearance:

White to off-white powder

 

Smell:

Odorless

 

Identification:

Pass

 

Assay:

99.0%-101.0%

 

Specific rotation [α]D20:

+20.0° to +22.0°

 

PH (2% aqueous solution):

7.5~8.5

 

Residue on Ignition:

1.0% max.

 

Loss on drying:

1.0% max.

 

Heavy metals:

10ppm max.

 

Lead [Pb]:

3ppm max.

 

Arsenic [As2O3]:

1ppm max.

 

Cadmium [Cd]:

1ppm max.

 

Mercury [Hg]:

0.1ppm max.

 

 

 

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