Betamethadol

Betamethadol (INN), or β-methadol, also known as betametadol, is a synthetic opioid analgesic.^[2] It is an isomer of dimepheptanol (methadol), the other being alphamethadol (α-methadol).^[3] Betamethadol is composed of two isomers itself, L-β-methadol, and D-β-methadol.^[3] Based on structure-activity relationships it can be inferred that both isomers are likely to be active as opioid analgesics, similarly to those of betacetylmethadol (β-acetylmethadol).^[4]

Dependence
liabilityHigh

ATC code

• None

Legal status

• AU: S9 (Prohibited substance)
• BR: Class A1 (Narcotic drugs)^[1]
• CA: Schedule I
• DE: Anlage I (Authorized scientific use only)
• US: Schedule I

CAS Number

• 17199-55-2

Quick facts Clinical data, Dependenceliability ...

Betamethadol

Clinical data
Dependence liability	High
ATC code	None
Legal status
Legal status	AU: S9 (Prohibited substance) BR: Class A1 (Narcotic drugs)[1] CA: Schedule I DE: Anlage I (Authorized scientific use only) US: Schedule I
Identifiers
IUPAC name (3S,6R)-6-(dimethylamino)-4,4-diphenyl-3-heptanol
CAS Number	17199-55-2
PubChem CID	10064061
ChemSpider	8239601
UNII	57ANR1Z628
KEGG	D12675
ChEMBL	ChEMBL162243
CompTox Dashboard (EPA)	DTXSID501017192
Chemical and physical data
Formula	C21H29NO
Molar mass	311.469 g·mol−1
3D model (JSmol)	Interactive image
SMILES O[C@H](C(c1ccccc1)(c2ccccc2)C[C@H](N(C)C)C)CC
InChI InChI=1S/C21H29NO/c1-5-20(23)21(16-17(2)22(3)4,18-12-8-6-9-13-18)19-14-10-7-11-15-19/h6-15,17,20,23H,5,16H2,1-4H3/t17-,20+/m1/s1 Key:QIRAYNIFEOXSPW-XLIONFOSSA-N

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