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5-Aminolevulinic acid hydrochloride
Name:5-Aminolevulinic acid hydrochloride 5-ALA 
CAS NO 5451-09-2 
M.F:C5H10ClNO3 
M.W:167.59 
Appearance:White crysta
The detailed specifications are as below:

TEST ITEM

SPECIFICATION

RESULTS

Appearance 

Almost white powder

Almost white powder

Identification 

FT-IR,HPLC,NMR,Mass

Confirm

Loss on drying

1.0%max

0.42%

Melting point

135°Cmin

145.5°C

Residue on ignition

0.5%

0.13%

Heavy metals

20ppmmax

Confirm

Iron

20ppm

Confirm

Bacteria endotoxins

0.4 USP EU/mg

0.2 EU/mg

Microbial  Limits

Total aerobic microbial count

100 cfu/g max

Confirm

Staphylococcus aureus

Absence

Absence

Pseudomonas aeruginosa

Absence

Absence

Salmonella species

Absence

Absence

Escherichia Coli

Absence

Absence

Impurities

Any other single impurity

0.3% max

Confirm

Total impurities

1.0% max

0.66%

Assay

98.0%-102.0%

99.53%

Conclusion

The lot meets the specifications