How do I convert Orexin-B (CSF) from pg/mL to pmol/L?

pmol/L = pg/mL × 0.3449. In the other direction: pg/mL = pmol/L × 2.899.

Which units are used for Orexin-B (CSF)?

Common units are pmol/L, pg/mL.

Neurology & psychiatry

Orexin-B in cerebrospinal fluid (narcolepsy, in addition to orexin-A)

Also known as: Orexin-B (Liquor)

Enter a value in any unit and all other units fill in.

pmol/L pg/mL

1 pmol/L = 2.9 pg/mL

pmol/L	pmol/L = pg/mL × 0.3449	pg/mL = pmol/L × 2.899

Orexin-B (CSF) is reported in pg/mL or pmol/L. The page converts between the units only.

pmol/L × 2.899 = pg/mL (exact factor 2.899).
CSF values are only meaningful together with a blood sample taken at the same time; no established reference range is listed here.

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Source: UniProt: Orexin-B (human) · Last reviewed: 2026-10-19

Note from the source: No established reference range; the page converts units only. Mass-to-amount conversion uses a molar mass of 2899.4 g/mol.