1SB-LSD
Pharmaceutical compound
From Wikipedia, the free encyclopedia
1SB-LSD, or 1BS-LSD, also known as 1-(4-(trimethylsilyl)benzoyl)-LSD, is a psychedelic drug of the lysergamide family related to lysergic acid diethylamide (LSD).[1] It is thought to be a prodrug of LSD.[1] The drug was encountered online as a novel designer drug in September 2025.[1] 1SB-LSD has been sold in the form of blotter containing 165 μg per tab.[1] It is the derivative of 1Bz-LSD (SYN-L-018) in which there is a 4-trimethylsilyl group on the benzyl ring.[1][2] 1SB-LSD is not an explicitly controlled substance in the United States[3] or in Canada.[4]
Other names1BS-LSD; 1-(4-(Trimethylsilyl)benzoyl)-LSD
ATC code
- None
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| Clinical data | |
|---|---|
| Other names | 1BS-LSD; 1-(4-(Trimethylsilyl)benzoyl)-LSD |
| Routes of administration | Oral[1] |
| Drug class | Serotonergic psychedelic; Hallucinogen |
| ATC code |
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| Chemical and physical data | |
| Formula | C30H36N3O2Si |
| Molar mass | 498.722 g·mol−1 |
| 3D model (JSmol) | |
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