Specification No. D04
Dihydroxypropyladenine (DHPA)
9-(RS)-(2,3-dihydroxypropyl)adenine
Molecular Formula: C8H11N5O2 (·H2O)
Molecular Weight: 227.3
C.A.S. No.: [55904-02-4]
Description: White to nearly white powder.
| Tests: | |
| Identification: HPLC UV spectrum |
|
| Heavy metals: | max. 0.001 % |
| Iron: | max. 0.001 % |
| Water (K.F. titration): | 7.5 - 8.5 % |
| Sulphated ash: |
max. 0.1 % |
| Assay (Acidimetric titration, calculation based on dry substance): | 98.0 - 102.0 % |
| Assay (HPLC): |
97.0 - 103.0 % |
| Total sum of impurities (HPLC): | max.1.0 % |
| Microbiological test: | |
| Total viable aerobic count | max. 100 cfu/g |
| Enterobacteria | max. 10 cfu/g |
| Pseudomonas aeruginosa in 1g | absent |
| Staphylococcus aureus in 1g | absent |
| Shelf life: 1 year | |
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