Valspodar - Moligand™, ≥98% , P-glycoprotein 1 inhibitor, CAS No.121584-18-7, P-glycoprotein 1 inhibitor

CAS: 121584-18-7 Cat. No.: V127307 Molecular Weight: 1214.62 PubChem CID: 5281884
AVAILABLE TO ORDER
GRADE & PURITY Moligand™ ? Moligand™ — Aladdin's line of ligands and bioactive small molecules. Use for receptor, pathway, and binding studies needing defined small-molecule tools. ≥98%
Synonyms
Sdz-psc-833 | SDZ PSC833 | Valspodar; (PSC-833 | SCHEMBL21751941 | Cyclosporin A, 6-[(2S,4R,6E)-4-methyl-2-(methylamino)-3-oxo-6-octenoic acid]-7-L-valine- | Sdz psc 833 | 6-[(2S,4R,6E)-4-Methyl-2-(methylamino)-3-oxo-6-octenoicacid]-7-L-valinecyclosporin
Storage
Store at -20°C
Shipped In
Ice chest + Ice pads
 ·  off list, applied to all prices below.
Size
Status
Price
Qty
1mg
V127307-1mg
1

$228.90

$285.90
Save $57.00 (19.94%)
5mg
V127307-5mg
2
$999.90
10mg
V127307-10mg
1
$1,599.90
Enter a quantity for the sizes you want to add.
🧪

Why this grade

Moligand™, ≥98% Moligand™ for sensitive chromatographic and analytical workflows requiring minimal baseline interference.

🌡

Storage & shipping

Store at -20°C Ships Ice chest + Ice pads Check lot-specific COA for exact specifications.

📋

Quality documents

SDS, COA, datasheet, and spec sheet available for download. Lot-specific COA accessible via lot number lookup.

📚

Literature proof

Cited in 0 peer-reviewed publications across chromatography, organic synthesis, and cross-coupling reactions.

Overview

Valspodar (PSC 833) is a specific P-glycoprotein inhibitor and MDR regulator often used as a chemical sensitizer to study advanced epithelial ovarian cancer.

Specifications

Synonyms
Sdz-psc-833 | SDZ PSC833 | Valspodar; (PSC-833 | SCHEMBL21751941 | Cyclosporin A, 6-[(2S, 4R, 6E)-4-methyl-2-(methylamino)-3-oxo-6-octenoic acid]-7-L-valine- | Sdz psc 833 | 6-[(2S, 4R, 6E)-4-Methyl-2-(methylamino)-3-oxo-6-octenoicacid]-7-L-valinecyclosporin
Specifications & Purity
Moligand™, ≥98%
Biochemical and Physiological Mechanisms
Valspodar is a P-glycoprotein (P-gp) inhibitor that has been widely used in preclinical and clinical studies to overcome multidrug resistance (MDR). In rats, Valspodar exhibits low hepatic extraction and broad distribution, similar to its structural analo
Storage
Store at -20°C
Shipped In
Ice chest + Ice pads
This product requires cold chain shipping. Ground and other economy services are not available.
Grade
Moligand™
Action Type
INHIBITOR
Mechanism of action
P-glycoprotein 1 inhibitor
Note
Wherever possible, you should prepare and use solutions on the same day. However, if you need to make up stock solutions in advance, we recommend that you store the solution as aliquots in tightly sealed vials at -20°C. Generally, these will be useable for up to one month. Before use, and prior to opening the vial we recommend that you allow your product to equilibrate to room temperature for at least 1 hour. Need more advice on solubility, usage and handling? Please visit our frequently asked questions (FAQ) page for more details.
Purity
≥98%
Product Properties
ALogP7.7
Names and Identifiers
Pubchem Sid504763389
Pubchem Sid Urlhttps://pubchem.ncbi.nlm.nih.gov/substance/504763389
Canonical SmilesCC=CCC(C)C(=O)C1C(=O)NC(C(=O)N(CC(=O)N(C(C(=O)NC(C(=O)N(C(C(=O)NC(C(=O)NC(C(=O)N(C(C(=O)N(C(C(=O)N(C(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(C)C
IUPAC Name(3S,6S,9S,12R,15S,18S,21S,24S,30S,33S)-1,4,7,10,12,15,19,25,28-nonamethyl-33-[(E,2R)-2-methylhex-4-enoyl]-6,9,18,24-tetrakis(2-methylpropyl)-3,21,30-tri(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
InChIKeyYJDYDFNKCBANTM-QCWCSKBGSA-N
INCHI1S/C63H111N11O12/c1-26-27-28-41(16)53(76)52-57(80)67-49(38(10)11)61(84)68(19)33-48(75)69(20)44(29-34(2)3)56(79)66-50(39(12)13)62(85)70(21)45(30-35(4)5)55(78)64-42(17)54(77)65-43(18)58(81)71(22)46(31-36(6)7)59(82)72(23)47(32-37(8)9)60(83)73(24)51(40(14)15)63(86)74(52)25/h26-27,34-47,49-52H,28-33H2,1-25H3,(H,64,78)(H,65,77)(H,66,79)(H,67,80)/b27-26+/t41-,42+,43-,44+,45+,46+,47+,49+,50+,51+,52+/m1/s1
Isomeric SMILES C/C=C/C[C@@H](C)C(=O)[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(C)C
WGK Germany 3
PubChem CID 5281884
Molecular Weight 1214.62

Documentation

📋 Safety Data Sheet (SDS)

Comprehensive hazard, handling, storage, and regulatory compliance document.

Download SDS →

✅ Certificate of Analysis (COA)

Lot-specific quality data. Enter your lot number to retrieve the exact COA.

Look up COA →

📊 Datasheet

Quick-reference summary of product specifications and applications.

View datasheet →

🔬 Specification Sheet

Full quality attributes and acceptance criteria for this grade.

View spec sheet →

Advanced Data

Taxonomic Classification

Taxonomy Tree

KingdomOrganic compounds
SuperclassOrganic acids and derivatives
ClassPeptidomimetics
SubclassPeptoid-peptide hybrids
Intermediate Tree Nodes Not available
Direct ParentCyclosporins
Alternative Parents Oligopeptides  Macrolactams  Alpha amino acids and derivatives  1,3-dicarbonyl compounds  Tertiary carboxylic acid amides  Secondary carboxylic acid amides  Lactams  Ketones  Azacyclic compounds  Organopnictogen compounds  Organonitrogen compounds  Organic oxides  Hydrocarbon derivatives  
Molecular FrameworkAliphatic heteromonocyclic compounds
Substituents Cyclosporin-backbone - Alpha-oligopeptide - Macrolactam - Alpha-amino acid or derivatives - 1,3-dicarbonyl compound - Tertiary carboxylic acid amide - Carboxamide group - Ketone - Lactam - Secondary carboxylic acid amide - Carboxylic acid derivative - Organoheterocyclic compound - Azacycle - Organooxygen compound - Organonitrogen compound - Organopnictogen compound - Carbonyl group - Organic nitrogen compound - Organic oxygen compound - Organic oxide - Hydrocarbon derivative - Aliphatic heteromonocyclic compound
DescriptionThis compound belongs to the class of organic compounds known as cyclosporins. These are cyclic depsipeptides containing the cyclosporin backbone.
External Descriptors homodetic cyclic peptide
3D Structure
Interactive Chemical Structure Model





Associated Targets(Human)
ABCB1 Tchem Multidrug resistance protein 1 (0 Activities)
Activity TypeActivity Value -log(M)Mechanism of ActionActivity ReferencePublications (PubMed IDs)
ABCG2 Tchem ATP-binding cassette sub-family G member 2 (4927 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
ABCC2 Tchem Canalicular multispecific organic anion transporter 1 (1191 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
SLCO1B1 Tchem Solute carrier organic anion transporter family member 1B1 (2672 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
SLCO1B3 Tchem Solute carrier organic anion transporter family member 1B3 (2517 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
SLCO1A2 Tchem Solute carrier organic anion transporter family member 1A2 (104 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
SLCO2B1 Tchem Solute carrier organic anion transporter family member 2B1 (580 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
ABCC4 Tchem Multidrug resistance-associated protein 4 (785 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
MRP3 Multidrug resistance associated protein (78 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
Associated Targets(non-human)
Abcc1 Multidrug resistance-associated protein 1 (42 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
Abcb1b P-glycoprotein 1 (174 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
Hdac6 Histone deacetylase 6 (222 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
Abcb1a P-glycoprotein 3 (492 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
L929 (3802 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
rep Replicase polyprotein 1ab (378 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
SARS-CoV-2 (38078 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
Mechanisms of Action
Certificates(CoA,COO,BSE/TSE and Analysis Chart)
C of A & Other Certificates(BSE/TSE, COO):
Analytical Chart:

Find and download the COA for your product by matching the lot number on the packaging.

11 results found

Lot NumberCertificate TypeDateItem
L2215125Certificate of AnalysisJun 09, 2026 V127307
L2215742Certificate of AnalysisJun 09, 2026 V127307
C2623018Certificate of AnalysisMar 17, 2026 V127307
C2623020Certificate of AnalysisMar 17, 2026 V127307
C2623023Certificate of AnalysisMar 17, 2026 V127307
D2424452Certificate of AnalysisFeb 05, 2026 V127307
D2424450Certificate of AnalysisApr 12, 2024 V127307
D2424451Certificate of AnalysisApr 12, 2024 V127307
D2424453Certificate of AnalysisApr 12, 2024 V127307
L2410113Certificate of AnalysisApr 12, 2024 V127307
L2215123Certificate of AnalysisDec 02, 2022 V127307

Show more ⌵

Chemical and Physical Properties
SolubilityDMSO
Molecular Weight1214.600 g/mol
XLogP37.700
Hydrogen Bond Donor Count4
Hydrogen Bond Acceptor Count12
Rotatable Bond Count15
Exact Mass1213.84 Da
Monoisotopic Mass1213.84 Da
Topological Polar Surface Area276.000 Ų
Heavy Atom Count86
Formal Charge0
Complexity2410.000
Isotope Atom Count0
Defined Atom Stereocenter Count11
Undefined Atom Stereocenter Count0
Defined Bond Stereocenter Count1
Undefined Bond Stereocenter Count0
The total count of all stereochemical bonds1
Covalently-Bonded Unit Count1
Solution Calculators
Reviews

Customer Reviews

Need help choosing the grade?

Our grade selection guide covers purity, stabilizer status, and application suitability for all variants in our catalog.

View Moligand™ grade guide →

Shall we send you a message when we have discounts available?

Remind me later

Thank you! Please check your email inbox to confirm.

Oops! Notifications are disabled.