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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HCID 150968Generated: October 27, 2026

19-Hydroxytestosterone

19-Hydroxytestosterone · 4-ANDROSTEN-17β, 19-DIOL-3-ONE · 4-Androstene-17β,19-diol-3-one · 4-ANDROSTENE-17BETA,19-DIOL-3-ONE · 4-ANDROSTEN-17-BETA, 19-DIOL-3-ONE · 19-HYDROXYTESTOSTERONE DEA SCHEDULE III · Androst-4-en-3-one, 17,19-dihydroxy-, (17β)- · 19-hydroxytestosterone dea schedule iii item

https://huagongshe.com/en/chemical/150968

19-Hydroxytestosterone molecular structure

Identifiers & Physical Properties

CAS No.2126-37-6
Molecular formulaC19H28O3
Average molar mass304.4 g/mol
Monoisotopic mass304.20384476 g/mol
SMILESC[C@]12CC[C@H]3[C@@H](CCC4=CC(=O)CC[C@@]43CO)[C@@H]1CC[C@@H]2O
InChIKeyYLTCTXBDDHSLCS-KOUJMVCDSA-N
PubChem CID150968
ChEBICHEBI:798
EC No.633-652-5
DTXSIDDTXSID801314363

Chemical & Physical Properties

XLogP2.1
Topological polar surface area57.5
Hydrogen bond donors2
Hydrogen bond acceptors3
Rotatable bonds1
Heavy atoms22
Formal charge0
Complexity525
LipidsLipids -> Sterol Lipids [ST] -> Steroids [ST02] -> C19 steroids (androgens) and derivatives [ST0202]
Melting point197 °C
Boiling point486.1±45.0 °C(Predicted)
Density1.19±0.1 g/cm3(Predicted)
pKa (acidity coefficient)14.93±0.10(Predicted)
FDA UNII4GS1H36R0U
GHS pictogramGHS08,GHS07
Signal wordWarning
GHS hazard statementsH351-H361-H332-H312-H302
GHS precautionary statementsP201-P202-P281-P308+P313-P405-P501-P201-P202-P281-P308+P313-P405-P501-P261-P271-P304+P340-P312-P280-P302+P352-P312-P322-P363-P501-P264-P270-P301+P312-P330-P501
Hazard symbolsXn
Risk statements (R)20/21/22-40-63
Safety statements (S)22-36
Water hazard class (WGK)3

Safety & Regulations

GHS classificationWarningH302 (100%): Harmful if swallowed [Warning Acute toxicity, oral]P203, P261, P264, P270, P271, P280, P301+P317, P302+P352, P304+P340, P317, P318, P321, P330, P362+P364, P405, and P501 (click each P-code to see the statement)Aggregated GHS information provided per 39 reports by companies from 2 notifications to the ECHA C&L Inventory. Each notification may be associated with multiple companies.
Hazard Classes and CategoriesAcute Tox. 4 (100%)
Water hazard class (WGK)3
Risk statements (R)20/21/22-40-63
Signal wordWarning
GHS pictogramGHS08,GHS07
Hazard symbolsXn
Safety statements (S)22-36
GHS hazard statementsH351-H361-H332-H312-H302
GHS precautionary statementsP201-P202-P281-P308+P313-P405-P501-P201-P202-P281-P308+P313-P405-P501-P261-P271-P304+P340-P312-P280-P302+P352-P312-P322-P363-P501-P264-P270-P301+P312-P330-P501

Applications & Uses

Uses

19-Hydroxy Testosterone, is a metabolite of Testosterone (T155000).