C35H39N5O5
609.7 g/mol
APIDanger
Ergocristine
CAS511-08-0EC208-120-7
Category
API
Compound Class
Natural Product
Primary Use
Pharmaceutical Raw Material
Ergocristine is an ergopeptine and one of the ergot alkaloids. It has been subject to federal regulation due to its potential use as a precursor in the illicit production of LSD.
Content scope: Information here supports chemical identification and industrial supply, research, and manufacturing contexts. It is not a therapeutic claim, medical advice, or drug-use instructions.
Controlled substances
Substances on this list are tightly controlled under chemical-weapons or precursor regulations. ChemAbout does not facilitate their procurement; this page is a compliance reference only.
Relevant lists:US DEA List I Chemicals
CAS 511-08-0
Related Compounds
SimilarStructure SimilarSimilarity 0.84
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Safety Reference
Danger
H301Toxic if swallowed
H311Toxic in contact with skin
H331Toxic if inhaled
Regulatory Compliance1
- US DEA List I ChemicalsUSRegulation
Customs Tariff Classification
The international HS code for Ergocristine (CAS 511-08-0) is 2939.69.
HS code (international, 6-digit)
2939.69
EU CN code (8-digit)
2939 69 00
Classification per the EU customs inventory ECICS (2026-07 snapshot, HS 2022). National tariff lines and product form can affect the final classification.
Identifiers
IUPAC Name
(6aR,9R)-N-[(1S,2S,4R,7S)-7-benzyl-2-hydroxy-5,8-dioxo-4-propan-2-yl-3-oxa-6,9-diazatricyclo[7.3.0.02,6]dodecan-4-yl]-7-methyl-6,6a,8,9-tetrahydro-4H-indolo[4,3-fg]quinoline-9-carboxamide
InChIKey
HEFIYUQVAZFDEE-MKTPKCENSA-N
SMILES
CC(C)[C@@]1(C(=O)N2[C@H](C(=O)N3CCC[C@H]3[C@@]2(O1)O)CC4=CC=CC=C4)NC(=O)[C@H]5CN([C@@H]6CC7=CNC8=CC=CC(=C78)C6=C5)C
Synonyms (23)
- E-140
- Dihydroergocristine Mesilate EP Impurity K; Ergotamine Tartrate EP Impurity D
- Ergotamine EP Impurity D (Free Base)
- Ergocristin
- Ergocristine
- Ergocrystine
- ergocrystin
- ergokrystin