ChemAbout

ChemAbout is a B2B platform where chemical buyers and suppliers discover each other.

Post a purchase requestList your products (for suppliers)
© 2026 ChemAbout
Compound Index|Demand Board|Insights|Exhibitions|Compliance|Help Center|Privacy Policy|Terms of Service|[email protected]
Home/Compounds/Pharmaceutical Intermediate/Lysergic acid
C16H16N2O2
268.31 g/mol
Pharmaceutical IntermediateDanger

LYSERGIC ACID

CAS82-58-6EC201-431-9
Category
Pharmaceutical Intermediate
Compound Class
Natural Product
Primary Use
Pharmaceutical Intermediate

Lysergic acid is a naturally occurring compound that serves as a precursor for a wide range of ergoline alkaloids, including those produced by ergot fungi and found in certain plant species. It is an important pharmaceutical intermediate used in the manufacturing of ergoline-based compounds.

Precursor for ergoline alkaloid synthesisPharmaceutical intermediate for research and manufacturing

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:CN Precursor Chemicals Cat.1UN 1988 Convention Table I Precursors

CAS 82-58-6

Related Compounds

SimilarStructure SimilarSimilarity 0.75

Isolysergic acid diethylamide

CAS2126-78-5

research compound

ReferenceSame Category

Potassium (2R)-oxirane-2-carboxylate

CAS82044-23-3

pharmaceutical intermediate

ReferenceSame Category

(E)-1,4-dibromobut-2-ene

CAS821-06-7

pharmaceutical intermediate

ReferenceSame Category

Bis(2-chloroethyl)amine hydrochloride

CAS821-48-7

pharmaceutical intermediate

ReferenceSame Category

5-Cyanophthalide

CAS82104-74-3

pharmaceutical intermediate

Referencesame scaffold

(+)-Lysergide-d10

CAS1794752-84-3

research compound

Referencesame scaffold

Ergonovine maleate

CAS129-51-1

pharmaceutical raw material

Referencesame scaffold

Ergometrine

CAS60-79-7

pharmaceutical raw material

Safety Reference

Toxic
Toxic
Danger
H301Toxic if swallowed
H311Toxic in contact with skin
H331Toxic if inhaled
Regulatory Compliance2
  • CN Precursor Chemicals Cat.1CNRegulation
    ListedSource
  • UN 1988 Convention Table I PrecursorsGlobalInternational Convention
    ListedSource

Customs Tariff Classification

The international HS code for LYSERGIC ACID (CAS 82-58-6) is 2939.63.

HS code (international, 6-digit)

2939.63

EU CN code (8-digit)

2939 63 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)-7-methyl-6,6a,8,9-tetrahydro-4H-indolo[4,3-fg]quinoline-9-carboxylic acid

InChIKey

ZAGRKAFMISFKIO-QMTHXVAHSA-N

SMILES

CN1C[C@@H](C=C2[C@H]1CC3=CNC4=CC=CC2=C34)C(=O)O

Synonyms (17)
  • Methylergometrine Maleate EP Impurity A
  • (+)-Lysergic Acid Hydrate
  • Acid, Lysergic
  • D-Lysergic acid
  • DEA No. 7300
  • Ergoline Acid
  • LYSERGIC ACID