Cyclosporin B (CAS 63775-95-1) chemical structure

VAQORA

API ImpuritiesReference StandardAvailable on request

Cyclosporin B

Name: Cyclosporin B
Brand: Vaqora Chemicals
SKU: VQ-025118

Synonyms: Ala2-cyclosporine · Cyclosporin A, 7-L-alanine- · EX-A2528 · Cyclosporin B(Not Continue,SeeC4X-19981)

CAS No.63775-95-1

FormulaC₆₁H₁₀₉N₁₁O₁₂

Mol. weight1,188.60

Catalogue No.VQ-025118

PurityReference Standard

HSN38229090

Cyclosporin B (CAS 63775-95-1) – Cyclosporin impurity standard. C61H109N11O12, MW 1188.6. Order from Vaqora Chemicals with COA and global delivery.

Pack sizesPrice on quotation · bulk available

10 mg

25 mg

50 mg

100 mg

Bulk / custom pack · kg to MT

Enquire

Batch COA with every lot

16-section GHS SDS

Export to 120+ countries

DG-compliant packing

About Cyclosporin B

Cyclosporin B is an impurity of Cyclosporin carrying the CAS registry number 63775-95-1. With the molecular formula C61H109N11O12, it has a molar mass of 1188.6 g/mol. Alternative names: Ala2-cyclosporine and Cyclosporin A, 7-L-alanine-.

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. It carries the GHS signal word “Danger” with 3 hazard statements. Review the Safety Data Sheet before use.

This Cyclosporin impurity supports analytical method development and validation (AMV), batch release testing and the impurity sections of ANDA and DMF filings. It is used across pharmaceutical manufacturing and academic and industrial research.

Standard pack sizes are 10 mg, 25 mg, 50 mg and 100 mg, and every batch ships with a Certificate of Analysis (COA) and we export worldwide.

Typical applications

Analytical method development
Method validation (AMV)
QC release testing
ANDA / DMF filings

Industries

Related to Cyclosporin

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

Cyclosporin impurities

Specifications & identifiers

Chemical identifiers
Product name	Cyclosporin B
Catalogue No.	VQ-025118
CAS Number	63775-95-1
IUPAC name	(3S,6S,9S,12R,15S,18S,21S,24S,30S,33S)-33-[(E,1R,2R)-1-hydroxy-2-methylhex-4-enyl]-1,4,7,10,12,15,19,25,28,30-decamethyl-6,9,18,24-tetrakis(2-methylpropyl)-3,21-di(propan-2-yl)-1,4,7,10,13,16,19,22,25,28,31-undecazacyclotritriacontane-2,5,8,11,14,17,20,23,26,29,32-undecone
Molecular formula	C₆₁H₁₀₉N₁₁O₁₂
Molecular weight	1188.6 g/mol
Exact mass	1187.8257
Grade	Reference Standard
HSN code	38229090
InChIKey	UCOQITKXMNKTKF-MXGZYYNMSA-N
SMILES	C/C=C/C[C@@H](C)[C@H]([C@H]1C(=O)N[C@H](C(=O)N(CC(=O)N([C@H](C(=O)N[C@H](C(=O)N([C@H](C(=O)N[C@H](C(=O)N[C@@H](C(=O)N([C@H](C(=O)N([C@H](C(=O)N([C@H](C(=O)N1C)C(C)C)C)CC(C)C)C)CC(C)C)C)C)C)CC(C)C)C)C(C)C)CC(C)C)C)C)C)O
PubChem CID	12797522

Physical properties
Physical form	Solid
LogP (XLogP3)	7
H-bond donors / acceptors	5 / 12
TPSA	279 Å²

Safety & hazard information (GHS)

Harmful / irritant

Health hazard

Signal word: Danger

Hazard statements

H302Harmful if swallowed
H350May cause cancer
H362May cause harm to breast-fed children

Precautionary statements: P203, P260, P263, P264, P270, P280, P301 + P317, P318, P330, P405, 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 Cyclosporin B?

The CAS Registry Number of Cyclosporin B is 63775-95-1. It is also known as Ala2-cyclosporine, Cyclosporin A, 7-L-alanine-, EX-A2528.

What is the molecular formula and molecular weight of Cyclosporin B?

Cyclosporin B has the molecular formula C61H109N11O12 and a molecular weight of 1188.6 g/mol.

What is Cyclosporin B used for?

Cyclosporin B is supplied as a characterised reference material related to Cyclosporin. 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 Cyclosporin B can I order?

We supply Cyclosporin 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 Cyclosporin B?

Yes. Every lot of Cyclosporin 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 Cyclosporin B be shipped internationally?

Yes. Cyclosporin 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.