Pubchem hspc hydrogenated soy phosphatidylcholine composition?

Short answer: Hydrogenated soy phosphatidylcholine (HSPC) is not a single chemical. PubChem and other databases treat it as a mixture of saturated phosphatidylcholine species derived from hydrogenated soy lecithin. Because it’s a mixture, there isn’t one fixed molecular formula or composition.

What you can expect from PubChem
- It will list HSPC as a substance (a mixture), not a pure compound.
- If you view the PubChem page, you’ll see synonyms and property fields, but the “molecular formula” and other fixed-molecule data may not apply cleanly because it’s a mixture.
- The major component in many HSPC preparations is distearoylphosphatidylcholine (DSPC, 18:0/18:0), with other saturated PC species making up the rest. Exact percentages vary by supplier and batch.

If you want exact data
- Tell me the PubChem CID (or provide a link) for the HSPC entry you’re looking at, and I can summarize the page for you.
- If you’re after a typical product specification (e.g., from a supplier like Lipoid, Avanti, etc.), I can give you the common range of composition used in liposome formulations (often DSPC being the major component, with other saturated PCs making up the remainder, and small amounts of helper lipids).

Would you like me to look up a specific PubChem entry (give me the CID or link), or are you after a general liposome formulation composition that uses HSPC?