QSC RESEARCH GRADE
≥99% HPLC PurityMS ConfirmedJanoshik COAIn-House SPPSChina Warehouse
What is NPP?
Nandrolone Phenylpropionate (NPP) is the short-acting phenylpropionate ester of nandrolone (19-nortestosterone). Provides the same pharmacological profile as nandrolone decanoate but with faster onset and shorter active duration (~5–7 days), enabling more precise research protocols. Research use only.
Research Applications
Short-Acting Nandrolone PK
Phenylpropionate hydrolysis kinetics vs decanoate — 5–7 day active window
NPP vs DECA Comparison
Ester effect on nandrolone release profile — AUC, Cmax, depot clearance
Collagen & Connective Tissue
Short-protocol nandrolone collagen studies, tendon fibroblast, articular cartilage
Progestogenic Research
19-nor PR binding in acute vs sustained nandrolone exposure models
Erythropoiesis & Haematology
EPO pathway activation with short-ester nandrolone — reticulocyte, haematocrit studies
Quick Specs
| Form | Raw bulk powder (crystalline/amorphous) |
| Purity | ≥99% by HPLC — every batch |
| CAS Number | 62-90-8 |
| Molecular Formula | C27H34O3, MW 406.6 |
| Identity | MS molecular weight confirmed — every batch |
| Compound Type | Anabolic Androgenic Steroid |
| COA | Janoshik-independent, publicly verifiable |
| Manufacture | In-house synthesis — Qingdao, China |
| Storage | Room temperature sealed | cool, dry storage |
| Shelf Life | 24 months (unopened) |
