1B-LSD
Chemical compound
From Wikipedia, the free encyclopedia
1B-LSD, also known as 1-butyryl-LSD, is a psychedelic drug of the lysergamide family and an acylated derivative of lysergic acid diethylamide (LSD) which has been sold as a designer drug.[1]
Other names1-Butyryl-LSD; X-LSD
Legal status
- AU: S8 (Controlled drug)
- BR: Class F2 (Prohibited psychotropics)
- CA: Unscheduled
- DE: NpSG (Industrial and scientific use only)
- UK: Under Psychoactive Substances Act
- US: Unscheduled (may be covered by the Federal Analogue Act if sold for human consumption)
- UN: Unscheduled
| Clinical data | |
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| Other names | 1-Butyryl-LSD; X-LSD |
| Routes of administration | Oral |
| Drug class | Serotonergic psychedelic; Hallucinogen |
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| Chemical and physical data | |
| Formula | C24H31N3O2 |
| Molar mass | 393.531 g·mol−1 |
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Use and effects
Interactions
Pharmacology
Chemistry
Society and culture
Legal status
Canada
1B-LSD is not a controlled substance in Canada as of 2025.[5]
Singapore
1B-LSD is illegal in Singapore.[6] Sweden's public health agency suggested classifying 1B-LSD as a hazardous substance, on June 24, 2019.[7]
United States
1B-LSD is not an explicitly controlled substance in the United States.[8] However, it could be considered a controlled substance under the Federal Analogue Act if intended for human consumption.