Ivermectin B1b

Name: Ivermectin B1b
Brand: Vaqora Chemicals
SKU: VQ-031347

About Ivermectin B1b

Ivermectin B1b is a metabolite or degradation product of Ivermectin carrying the CAS registry number 70209-81-3. Formula C47H72O14, molecular weight 861.1 g/mol. It is also known as Avermectin H2B1b or dihydroavermectin B1b.

It is supplied as a solid. Keep the vial tightly closed, protected from light and humidity, at the temperature stated on the Certificate of Analysis. Good laboratory practice and suitable PPE are recommended during handling.

Analytical teams use this compound to identify metabolites and degradants of Ivermectin, to validate stability-indicating methods (AMV) and to support QC and regulatory filings. Our customers for this product work in pharmaceutical manufacturing and academic and industrial research.

Vaqora Chemicals supplies Ivermectin B1b in 10 mg, 25 mg, 50 mg and 100 mg packs, each shipped with a Certificate of Analysis (COA), and exports worldwide.

Typical applications

Metabolite identification
Stability-indicating methods
Impurity profiling

Industries

Related to Ivermectin

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

Ivermectin impurities

Specifications & identifiers

Chemical identifiers
Product name	Ivermectin B1b
Catalogue No.	VQ-031347
CAS Number	70209-81-3
IUPAC name	(1R,4S,5'S,6R,6'R,8R,10E,12S,13S,14E,16E,20R,21R,24S)-21,24-dihydroxy-12-[(2R,4S,5S,6S)-5-[(2S,4S,5S,6S)-5-hydroxy-4-methoxy-6-methyloxan-2-yl]oxy-4-methoxy-6-methyloxan-2-yl]oxy-5',11,13,22-tetramethyl-6'-propan-2-ylspiro[3,7,19-trioxatetracyclo[15.6.1.14,8.020,24]pentacosa-10,14,16,22-tetraene-6,2'-oxane]-2-one
Molecular formula	C₄₇H₇₂O₁₄
Molecular weight	861.1 g/mol
Exact mass	860.4922
Grade	Reference Standard
HSN code	38229090
InChIKey	VARHUCVRRNANBD-PVVXTEPVSA-N
SMILES	C[C@H]1CC[C@]2(C[C@@H]3C[C@H](O2)C/C=C(/[C@H]([C@H](/C=C/C=C/4\CO[C@H]5[C@@]4([C@@H](C=C([C@H]5O)C)C(=O)O3)O)C)O[C@H]6C[C@@H]([C@H]([C@@H](O6)C)O[C@H]7C[C@@H]([C@H]([C@@H](O7)C)O)OC)OC)\C)O[C@@H]1C(C)C
PubChem CID	6321425

Physical properties
Physical form	Solid
LogP (XLogP3)	3.8
H-bond donors / acceptors	3 / 14
TPSA	170 Å²
Synonyms	Avermectin A1a, 5-O-demethyl-25-de(1-methylpropyl)-22,23-dihydro-25-(1-methylethyl)-, Avermectin H2B1b, dihydroavermectin B1b, 22,23-dihydroavermectin B1b, H2B1b, 22,23-Dihydroavermectin B1b (Ivermectin B1b), Avermectin A(sub 1a), 5-O-demethyl-25-de(1-methylpropyl)-22,23-dihydro-25-(1-methylethyl)-

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 Ivermectin B1b?

The CAS Registry Number of Ivermectin B1b is 70209-81-3. It is also known as Avermectin A1a, 5-O-demethyl-25-de(1-methylpropyl)-22,23-dihydro-25-(1-methylethyl)-, Avermectin H2B1b, dihydroavermectin B1b.

What is the molecular formula and molecular weight of Ivermectin B1b?

Ivermectin B1b has the molecular formula C47H72O14 and a molecular weight of 861.1 g/mol.

What is Ivermectin B1b used for?

Ivermectin B1b is supplied as a characterised reference material related to Ivermectin. 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 Ivermectin B1b can I order?

We supply Ivermectin B1b 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 Ivermectin B1b?

Yes. Every lot of Ivermectin B1b 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 Ivermectin B1b be shipped internationally?

Yes. We export Ivermectin B1b worldwide by air and sea freight or express courier, on EXW, FOB, CIF, CFR or DAP Incoterms, with full export documentation.