Trans-L-4-Hydroxyproline, Double Refined Cosmetic Grade and AJI92


Weight: 200g
Precio:
Precio de ventaR$ 424,10

Descripción

Product Name:

Trans-L-4-Hydroxyproline

CAS No.:

51-35-4

EINECS No.:

200-091-9

Chemical Formula:

C5H9NO3

Molecular Weight:

131.1299

Synonyms:

L-Hydroxyproline; trans-L-Hydroxyproline

Standard:

AJI92

 

Analytical Procedure

Specification

 

Appearance:

White crystalline powder

 

Assay:

99.0% min. (HPLC)

 

Specific rotation [α]D20:

-75º~76º (C=4 in H2O)

 

State of solution:

Clear and colorless

 

Transmittance:

98.0% min.

 

Loss on drying

0.20% max.

 

Residue on ignition [sulfated]:

0.10% max.

 

Chloride [Cl-]:  

0.020% max.

 

Ammonium [NH4+]:

0.020% max.

 

Sulfate [SO4]:

0.020% max.

 

Iron [Fe]:

10 ppm max.

 

Heavy metals [Pb]:

10 ppm max.

 

Arsenic [As2O3]:

1 ppm max.

 

Other amino acids:

0.020% max.

 

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