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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HCID 1963Generated: October 27, 2026

alpha-Hydroxytriazolam

1HydroxyTriazolam · α-Hydroxytriazolam · A-hydroxytriazolam · ALPHA-HYDROXYTRIAZOLAM · 1-Hydroxymethyltriazolam · α-hydroxy Triazolam (CRM) · α-Hydroxytriazolam solution · alpha-Hydroxytriazolam solution

https://huagongshe.com/en/chemical/1963

alpha-Hydroxytriazolam molecular structure

Identifiers & Physical Properties

CAS No.37115-45-0
Molecular formulaC17H12Cl2N4O
Average molar mass359.2 g/mol
Monoisotopic mass358.0388164 g/mol
SMILESOCc1nnc2n1-c1ccc(Cl)cc1C(c1ccccc1Cl)=NC2
InChIKeyBHUYWUDMVCLHND-UHFFFAOYSA-N
PubChem CID1963
ChEMBLCHEMBL3246753
ChEBICHEBI:166535
EC No.636-834-2
DTXSIDDTXSID50958284

Chemical & Physical Properties

XLogP1.2
Topological polar surface area63.3
Hydrogen bond donors1
Hydrogen bond acceptors4
Rotatable bonds2
Heavy atoms24
Formal charge0
Complexity491
Kovats Retention Index3020
Melting point239-241°C
Boiling point581.7±60.0 °C(Predicted)
Density1.54±0.1 g/cm3(Predicted)
Flash point9℃
Storage conditionsControlled Substance, -20°C Freezer
SolubilityDMF (Slightly), DMSO (Slightly)
Physical stateWhite solid.
pKa (acidity coefficient)12.90±0.10(Predicted)
InChI1S/C17H12Cl2N4O/c18-10-5-6-14-12(7-10)17(11-3-1-2-4-13(11)19)20-8-15-21-22-16(9-24)23(14)15/h1-7,24H,8-9H2
InChIKeyBHUYWUDMVCLHND-UHFFFAOYSA-N
SMILESOCc1nnc2CN=C(c3ccccc3Cl)c4cc(Cl)ccc4-n12
CAS DataBase Reference37115-45-0
FDA UNIIJ53Y2M2SAH
UNSPSC Code41116107
NACRESNA.77
GHS pictogramGHS07,GHS08
Signal wordWarning
GHS hazard statementsH302+H312+H332-H361
GHS precautionary statementsP201-P280-P301+P312-P302+P352+P312-P304+P340+P312-P308+P313
Personal protective equipment (PPE)Eyeshields, Gloves, type P3 (EN 143) respirator cartridges
Hazard symbolsXn,T,F
Risk statements (R)20/21/22-63-39/23/24/25-23/24/25-11
Safety statements (S)22-36-45-36/37-16-7
UN transport numberUN1230 - class 3 - PG 2 - Methanol, solution
Water hazard class (WGK)3
Storage class11 - Combustible Solids
Hazard classAcute Tox. 4 DermalAcute Tox. 4 InhalationAcute Tox. 4 OralRepr. 2

Safety & Regulations

GHS classificationWarningH302 (100%): Harmful if swallowed [Warning Acute toxicity, oral]H312 (100%): Harmful in contact with skin [Warning Acute toxicity, dermal]H332 (100%): Harmful if inhaled [Warning Acute toxicity, inhalation]H361 (97.5%): Suspected of damaging fertility or the unborn child [Warning Reproductive toxicity]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 40 reports by companies from 2 notifications to the ECHA C&L Inventory. Each notification may be associated with multiple companies.Information may vary between notifications depending on impurities, additives, and other factors. The percentage value in parenthesis indicates the notified classification ratio from companies that provide hazard codes. Only hazard codes with percentage values above 10% are shown. For more detailed information, please visit ECHA C&L website.
Regulatory information4H-1,2,4Triazolo4,3-a1,4benzodiazepine-1-methanol, 8-chloro-6-(2-chlorophenyl)-: Does not have an individual approval but may be used as a component in a product covered by a group standard. It is not approved for use as a chemical in its own right.
Hazard Classes and CategoriesAcute Tox. 4 (100%)Repr. 2 (97.5%)
Personal protective equipment (PPE)Eyeshields, Gloves, type P3 (EN 143) respirator cartridges
Water hazard class (WGK)3
UN transport numberUN1230 - class 3 - PG 2 - Methanol, solution
Risk statements (R)20/21/22-63-39/23/24/25-23/24/25-11
Signal wordWarning
GHS pictogramGHS07,GHS08
Hazard symbolsXn,T,F
Safety statements (S)22-36-45-36/37-16-7
Storage class

Applications & Uses

Uses

A metabolite of Triazolam (T767380).

11 - Combustible Solids
GHS hazard statementsH302+H312+H332-H361
Hazard classAcute Tox. 4 DermalAcute Tox. 4 InhalationAcute Tox. 4 OralRepr. 2
GHS precautionary statementsP201-P280-P301+P312-P302+P352+P312-P304+P340+P312-P308+P313