C34H41N5O8S
679.8 g/mol
APIWarning
Dihydroergotamine mesylate
CAS6190-39-2EC228-235-6
Category
API
Compound Class
Amine
Primary Use
Pharmaceutical Raw Material
Dihydroergotamine mesylate is an active pharmaceutical ingredient used in the manufacturing of certain pharmaceutical products. According to state or federal government labeling requirements, it can cause developmental toxicity.
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.
Restricted or banned substances
Substances on this list are banned or restricted under the named regulation. This page is a compliance reference — verify your obligations under applicable law.
Relevant lists:California Proposition 65
CAS 6190-39-2
Related Compounds
StrongStructure SimilarSimilarity 0.86
Acidihydroergocristine
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StrongStructure SimilarSimilarity 0.86
Dihydroergocristine mesylate
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pharmaceutical raw material
SimilarStructure SimilarSimilarity 0.73
Dihydro-α-ergocryptine mesylate
CAS14271-05-7
pharmaceutical raw material
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Safety Reference
Warning
H312Harmful in contact with skin
H332Harmful if inhaled
Regulatory Compliance1
- California Proposition 65USRegulation
Customs Tariff Classification
The international HS code for Dihydroergotamine mesylate (CAS 6190-39-2) 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,10aR)-N-[(1S,2S,4R,7S)-7-benzyl-2-hydroxy-4-methyl-5,8-dioxo-3-oxa-6,9-diazatricyclo[7.3.0.02,6]dodecan-4-yl]-7-methyl-6,6a,8,9,10,10a-hexahydro-4H-indolo[4,3-fg]quinoline-9-carboxamide;methanesulfonic acid
InChIKey
ADYPXRFPBQGGAH-UMYZUSPBSA-N
SMILES
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]5C[C@H]6[C@@H](CC7=CNC8=CC=CC6=C78)N(C5)C.CS(=O)(=O)O
Synonyms (40)
- ATZUMI
- BREKIYA
- DETMS
- Dihydroergotamine mesylate (USP)
- D.H.E. 45
- Diergo
- Dihydergot
- Dihydroergotamine mesilate
- Dihydroergotamine mesylate
- Dihytamine
- Dromelate
- Mesylate, Dihydroergotamine
- Migranal
- Tonopan
- Trudhesa
- Trudhesa (TN)