Didemnin B - ≥99% , CAS No.77327-05-0

CAS: 77327-05-0 Cat. No.: D647942 Molecular Weight: 1112.35 PubChem CID: 122651
AVAILABLE TO ORDER
GRADE & PURITY ≥99%
Synonyms
SCHEMBL1346816 | (2S)-N-[(1R)-1-[[(3S,6S,8S,12S,13R,16S,17R,20S,23S)-12-hydroxy-3-isobutyl-8-isopropyl-20-[(4-methoxyphenyl)methyl]-6,17,21-trimethyl-13-[(1S)-1-methylpropyl]-2,5,7,10,15,19,22-heptaoxo-9,18-dioxa-1,4,14,21-tetrazabicyclo[21.3.0]hexacosan-
Storage
Desiccated,Store at -80°C
Shipped In
Dry ice packs + Cold packs
 ·  off list, applied to all prices below.
Size
Status
Price
Qty
1mg
D647942-1mg
8-12 wks(?) Production requires sourcing of materials. We appreciate your patience and understanding.
$700.90
5mg
D647942-5mg
8-12 wks(?) Production requires sourcing of materials. We appreciate your patience and understanding.
$2,300.90
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Why this grade

≥99% for sensitive chromatographic and analytical workflows requiring minimal baseline interference.

🌡

Storage & shipping

Desiccated,Store at -80°C Ships Dry ice packs + Cold packs Check lot-specific COA for exact specifications.

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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

Didemnin B is a depsipeptide extracted from the marine tunicate Trididemnin cyanophorum. Didemnin B can be used for the research of cancer.

In Vitro

Didemnin B has activity against miirine B16 melanoma, P388 leukemia, and M5076 sarcoma. MCE has not independently confirmed the accuracy of these methods. They are for reference only.

In Vivo

Didemnin B is a potent inhibitor of L1210 growth . MCE has not independently confirmed the accuracy of these methods. They are for reference only.

Form:Solid

Specifications

Synonyms
SCHEMBL1346816 | (2S)-N-[(1R)-1-[[(3S, 6S, 8S, 12S, 13R, 16S, 17R, 20S, 23S)-12-hydroxy-3-isobutyl-8-isopropyl-20-[(4-methoxyphenyl)methyl]-6, 17, 21-trimethyl-13-[(1S)-1-methylpropyl]-2, 5, 7, 10, 15, 19, 22-heptaoxo-9, 18-dioxa-1, 4, 14, 21-tetrazabicyclo[21.3.0]hexacosan-
Specifications & Purity
≥99%
Biochemical and Physiological Mechanisms
Didemnin B is a depsipeptide extracted from the marine tunicate Trididemnin cyanophorum. Didemnin B can be used for the research of cancer.
Storage
Desiccated, Store at -80°C
Shipped In
Dry ice packs + Cold packs
This product requires cold chain shipping. Ground and other economy services are not available.
Purity
≥99%
Names and Identifiers
Canonical SmilesCCC(C)C1C(CC(=O)OC(C(=O)C(C(=O)NC(C(=O)N2CCCC2C(=O)N(C(C(=O)OC(C(C(=O)N1)NC(=O)C(CC(C)C)N(C)C(=O)C3CCCN3C(=O)C(C)O)C)CC4=CC=C(C=C4)OC)C)CC(C)C)C)C(C)C)O
IUPAC Name(2S)-N-[(2R)-1-[[(3S,6S,8S,12S,13R,16S,17R,20S,23S)-13-[(2S)-butan-2-yl]-12-hydroxy-20-[(4-methoxyphenyl)methyl]-6,17,21-trimethyl-3-(2-methylpropyl)-2,5,7,10,15,19,22-heptaoxo-8-propan-2-yl-9,18-dioxa-1,4,14,21-tetrazabicyclo[21.3.0]hexacosan-16-yl]amino]-4-methyl-1-oxopentan-2-yl]-1-[(2S)-2-hydroxypropanoyl]-N-methylpyrrolidine-2-carboxamide
InChIKeyKYHUYMLIVQFXRI-SJPGYWQQSA-N
INCHI1S/C57H89N7O15/c1-15-33(8)46-44(66)29-45(67)79-49(32(6)7)48(68)34(9)50(69)58-39(26-30(2)3)54(73)64-25-17-19-41(64)56(75)62(13)43(28-37-20-22-38(77-14)23-21-37)57(76)78-36(11)47(52(71)59-46)60-51(70)42(27-31(4)5)61(12)55(74)40-18-16-24-63(40)53(72)35(10)65/h20-23,30-36,39-44,46-47,49,65-66H,15-19,24-29H2,1-14H3,(H,58,69)(H,59,71)(H,60,70)/t33-,34-,35-,36+,39-,40-,41-,42+,43-,44-,46+,47-,49-/m0/s1
Isomeric SMILES CC[C@H](C)[C@@H]1[C@H](CC(=O)O[C@H](C(=O)[C@@H](C(=O)N[C@H](C(=O)N2CCC[C@H]2C(=O)N([C@H](C(=O)O[C@@H]([C@@H](C(=O)N1)NC(=O)[C@@H](CC(C)C)N(C)C(=O)[C@@H]3CCCN3C(=O)[C@H](C)O)C)CC4=CC=C(C=C4)OC)C)CC(C)C)C)C(C)C)O
Alternate CAS 77327-05-0
PubChem CID 122651
MeSH Entry Terms didemnin A;didemnin A, N-(1-(2-hydroxy-1-oxopropyl)-L-prolyl)-, (S)-;didemnin A, N-(2-hydroxy-1-oxopropyl)-, (S)-;didemnin B;didemnin C;didemnin D;didemnin E;didemnins;NSC 325319;oncoprecipitin A
Molecular Weight 1112.35

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
SubclassDepsipeptides
Intermediate Tree Nodes Not available
Direct ParentCyclic depsipeptides
Alternative Parents Macrolide lactams  Alpha amino acid esters  Macrolactams  Proline and derivatives  Alpha amino acid amides  Anisoles  Pyrrolidinecarboxamides  Methoxybenzenes  N-acylpyrrolidines  Phenoxy compounds  Alkyl aryl ethers  Alpha-acyloxy ketones  Dicarboxylic acids and derivatives  Cyclic carboximidic acids  Tertiary carboxylic acid amides  Lactones  Lactams  Secondary alcohols  Cyclic ketones  Carboxylic acid esters  Polyols  Azacyclic compounds  Oxacyclic compounds  Propargyl-type 1,3-dipolar organic compounds  Hydrocarbon derivatives  Organonitrogen compounds  Organopnictogen compounds  Organic oxides  
Molecular FrameworkAromatic heteropolycyclic compounds
Substituents Cyclic depsipeptide - Macrolide lactam - Alpha-amino acid ester - Proline or derivatives - Macrolactam - Alpha-amino acid amide - Alpha-amino acid or derivatives - Phenoxy compound - Anisole - Methoxybenzene - N-acylpyrrolidine - Phenol ether - Pyrrolidine carboxylic acid or derivatives - Pyrrolidine-2-carboxamide - Alkyl aryl ether - Alpha-acyloxy ketone - Monocyclic benzene moiety - Dicarboxylic acid or derivatives - Benzenoid - Pyrrolidine - Cyclic carboximidic acid - Tertiary carboxylic acid amide - Carboxylic acid ester - Carboxamide group - Ketone - Lactam - Lactone - Secondary alcohol - Cyclic ketone - Oxacycle - Carboximidic acid - Carboximidic acid derivative - Azacycle - Carboxylic acid derivative - Organoheterocyclic compound - Organic 1,3-dipolar compound - Propargyl-type 1,3-dipolar organic compound - Ether - Polyol - Organic oxygen compound - Organopnictogen compound - Organic oxide - Hydrocarbon derivative - Alcohol - Carbonyl group - Organic nitrogen compound - Organooxygen compound - Organonitrogen compound - Aromatic heteropolycyclic compound
DescriptionThis compound belongs to the class of organic compounds known as cyclic depsipeptides. These are natural or synthetic compounds having sequences of amino and hydroxy carboxylic acid residues (usually α-amino and α-hydroxy acids) connected in a ring. The residues are commonly but not necessarily regularly alternating.
External Descriptors cyclodepsipeptide
3D Structure
Interactive Chemical Structure Model





Associated Targets(Human)
HT-29 (80576 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
SK-MEL-28 (48833 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
Associated Targets(non-human)
Oryctolagus cuniculus (11301 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
P388 (20296 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:
Chemical and Physical Properties
SolubilityDMSO : 100 mg/mL (89.90 mM; Need ultrasonic)
Molecular Weight1112.400 g/mol
XLogP35.500
Hydrogen Bond Donor Count5
Hydrogen Bond Acceptor Count15
Rotatable Bond Count15
Exact Mass1111.64 Da
Monoisotopic Mass1111.64 Da
Topological Polar Surface Area288.000 Ų
Heavy Atom Count79
Formal Charge0
Complexity2150.000
Isotope Atom Count0
Defined Atom Stereocenter Count13
Undefined Atom Stereocenter Count0
Defined Bond Stereocenter Count0
Undefined Bond Stereocenter Count0
The total count of all stereochemical bonds0
Covalently-Bonded Unit Count1
Solution Calculators
Reviews

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