Dihydro Ergotamine EP Impurity B

About Dihydro Ergotamine EP Impurity B

Dihydro Ergotamine EP Impurity B is a pharmacopeial impurity of Dihydroergocristine carrying the CAS registry number 3609-19-6. Formula C34H39N5O5, molecular weight 597.7 g/mol. Alternative names: Dihydroergocristine Mesilate EP Impurity G and Dihydroergostin.

The product is provided as a solid. Reference materials should be stored sealed and away from light and moisture, as specified on the accompanying COA. The GHS classification uses the signal word “Warning”, so appropriate gloves, eye protection and ventilation are recommended.

As a characterised impurity of Dihydroergocristine, it is used for analytical method development, method validation (AMV) and routine quality-control testing, and it supports ANDA and DMF regulatory filings. It is used across pharmaceutical manufacturing and academic and industrial research.

Available in 10 mg, 25 mg, 50 mg and 100 mg packs, Dihydro Ergotamine EP Impurity B is dispatched with a Certificate of Analysis (COA) to destinations worldwide.

Typical applications

Pharmacopeial method verification
Impurity profiling
QC release testing
ANDA / DMF filings

Industries

Related to Dihydroergocristine

View every impurity, metabolite and intermediate we list for Dihydroergocristine.

Dihydroergocristine impurities

Grade guides

Specifications & identifiers

Chemical identifiers
Product name	Dihydro Ergotamine EP Impurity B
Catalogue No.	VQ-045306
CAS Number	3609-19-6
IUPAC name	(6aR,9R,10aR)-N-[(1S,2S,4R,7S)-7-benzyl-4-ethyl-2-hydroxy-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
Molecular formula	C₃₄H₃₉N₅O₅
Molecular weight	597.7 g/mol
Exact mass	597.2951
Grade	Reference Standard
HSN code	38229090
InChIKey	DFWHWFLWRXBPGX-UHFAATNVSA-N
SMILES	CC[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
PubChem CID	193378

Physical properties
Physical form	Solid
LogP (XLogP3)	2.9
H-bond donors / acceptors	3 / 6
TPSA	118 Å²

Safety & hazard information (GHS)

Harmful / irritant

Signal word: Warning

Hazard statements

H312Harmful in contact with skin
H332Harmful if inhaled

Precautionary statements: P261, P271, P280, P302 + P352, P304 + P340, P317, P321, P362 + P364, P501

Classification is indicative (aggregated GHS notifications) and may vary by grade and concentration. Always refer to the SDS supplied with your lot.

Documents

Safety Data Sheet (SDS)16-section GHS · on request Certificate of AnalysisTypical / batch COA · on request Specification sheetTDS / MOA · on request

Frequently asked questions

What is the CAS number of Dihydro Ergotamine EP Impurity B?

The CAS Registry Number of Dihydro Ergotamine EP Impurity B is 3609-19-6. It is also known as Dihydroergocristine Mesilate EP Impurity G, Dihydroergostin, 9,10-Dihydroergostine.

What is the molecular formula and molecular weight of Dihydro Ergotamine EP Impurity B?

Dihydro Ergotamine EP Impurity B has the molecular formula C34H39N5O5 and a molecular weight of 597.7 g/mol.

What is Dihydro Ergotamine EP Impurity B used for?

Dihydro Ergotamine EP Impurity B is supplied as a characterised reference material related to Dihydroergocristine. It is used for analytical method development and validation (AMV), impurity profiling, stability studies and quality control, and in ANDA/DMF regulatory filings.

Which grade and pack sizes of Dihydro Ergotamine EP Impurity B can I order?

We supply Dihydro Ergotamine EP Impurity B in Reference Standard grade, in 10 mg, 25 mg, 50 mg, 100 mg packs. Larger bulk quantities and custom packing are quoted on request.

Do you provide a COA and SDS with Dihydro Ergotamine EP Impurity B?

Yes. Every lot of Dihydro Ergotamine EP Impurity B is shipped with a batch-specific Certificate of Analysis, and a 16-section GHS Safety Data Sheet is provided with the quotation and the shipment.

Can Dihydro Ergotamine EP Impurity B be shipped internationally?

Yes. Dihydro Ergotamine EP Impurity B is classified as hazardous, so it is packed in UN-approved packaging and shipped as dangerous goods under IATA/IMDG rules. We export worldwide on EXW, FOB, CIF and DAP terms.