diaminopyrimidine oxide
Drug ingredientCAS 74638-76-9
This chemical is an active pharmaceutical ingredient used in FDA-regulated drugs.
US productionNot reported
Top sourceNo public record
This chemical is not on EPA’s Toxic Substances Control Act inventory, the list behind EPA’s production survey.
Why supply is unknownWhere It Comes From
EPA and Census publish no US supply data for this chemical.
3 FDA-registered drug labelers
Guangdong Bisutang Biotechnology Co., Ltd.
Guangdong Miaolian Cosmetics Co., Ltd.
Jinzhitang (Foshan) Biotechnology Co.,LTD
Why It Matters
Sectors
Health
Downstream Uses
Appears in 3 drug and cosmetic product listings (FDA).
- •Snidin
- •Wachinas Hair Growth Oil
- •Hair Growth
FDA Shortage Status
Whether any manufacturer currently reports this drug as in shortage on the FDA Drug Shortages database. "Active Shortage" means at least one presentation has status "current."
No FDA shortage records
Chemical Identity
CAS74638-76-9
PubChem CID10197687
DTXSIDDTXSID40996155
FormulaC4H6N4O
Mol. Weight126.12 g/mol
SMILESC1=C(N(C(=N)N=C1)O)N
Data Sources
- PubChem · compound 10197687Retrieved 2026-04-07
- FDA National Drug Code directoryRetrieved 2026-04-25
- FDA National Drug Code directoryRetrieved 2026-04-07
Brief citations
diaminopyrimidine oxide (CAS 74638-76-9) https://chemicalindependence.com/chemical/74638-76-9/ PubChem: 10197687. Retrieved 2026-04-07. https://pubchem.ncbi.nlm.nih.gov/compound/10197687 FDA National Drug Code directory: CAS 74638-76-9. Retrieved 2026-04-25. https://open.fda.gov/data/ndc/ FDA National Drug Code directory: bulk match. Retrieved 2026-04-07. https://open.fda.gov/data/ndc/