Calcium Pantothenate EP Impurity B

Name: Calcium Pantothenate EP Impurity B
Brand: Vaqora Chemicals
SKU: VQ-030156

About Calcium Pantothenate EP Impurity B

Calcium Pantothenate EP Impurity B (CAS 1112-33-0) is a pharmacopeial impurity of Pantothenate offered by Vaqora Chemicals. Formula C6H12O4, molecular weight 148.16 g/mol. Its systematic (IUPAC) name is (2R)-2,4-dihydroxy-3,3-dimethylbutanoic acid. It is also known as Dexpanthenol Impurity B or Pantoic Acid.

The product is provided as a solid. Store the standard in its sealed vial, protected from light and moisture, and follow the storage condition printed on the COA. Good laboratory practice and suitable PPE are recommended during handling.

As a characterised impurity of Pantothenate, 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, Calcium Pantothenate 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 Pantothenate

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

Pantothenate impurities

Grade guides

Specifications & identifiers

Chemical identifiers
Product name	Calcium Pantothenate EP Impurity B
Catalogue No.	VQ-030156
CAS Number	1112-33-0
IUPAC name	(2R)-2,4-dihydroxy-3,3-dimethylbutanoic acid
Molecular formula	C₆H₁₂O₄
Molecular weight	148.16 g/mol
Exact mass	148.0736
Grade	Reference Standard
HSN code	38229090
InChIKey	OTOIIPJYVQJATP-BYPYZUCNSA-N
SMILES	CC(C)(CO)[C@H](C(=O)O)O
PubChem CID	439251

Physical properties
Physical form	Solid
LogP (XLogP3)	-0.3
H-bond donors / acceptors	3 / 4
TPSA	77.8 Å²
Synonyms	Dexpanthenol Impurity B, Pantoic Acid, Calcium Pantothenate - Impurity B (Freebase), (R)-2,4-Dihydroxy-3,3-dimethylbutanoic acid, Pantoic acid, (R)-, (R)-pantoic acid, D-Pantoic acid, pantoate, (R)-pantoate, Butanoic acid, 2,4-dihydroxy-3,3-dimethyl-, (2R)-, (-)-Pantoic acid, Pantoic Acid Impurity 2

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 Calcium Pantothenate EP Impurity B?

The CAS Registry Number of Calcium Pantothenate EP Impurity B is 1112-33-0. It is also known as Dexpanthenol Impurity B, Pantoic Acid, Calcium Pantothenate - Impurity B (Freebase).

What is the molecular formula and molecular weight of Calcium Pantothenate EP Impurity B?

Calcium Pantothenate EP Impurity B has the molecular formula C6H12O4 and a molecular weight of 148.16 g/mol. Its IUPAC name is (2R)-2,4-dihydroxy-3,3-dimethylbutanoic acid.

What is Calcium Pantothenate EP Impurity B used for?

Calcium Pantothenate EP Impurity B is supplied as a characterised reference material related to Pantothenate. 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 Calcium Pantothenate EP Impurity B can I order?

We supply Calcium Pantothenate 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 Calcium Pantothenate EP Impurity B?

Yes. Every lot of Calcium Pantothenate 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 Calcium Pantothenate EP Impurity B be shipped internationally?

Yes. We export Calcium Pantothenate EP Impurity B worldwide by air and sea freight or express courier, on EXW, FOB, CIF, CFR or DAP Incoterms, with full export documentation.