(4R)-N-tert-butyl-3-[(2S,3S)-2-hydroxy-3-[[(2R)-2-[[2-(5-isoquinolyloxy)acetyl]amino]-3-methylsulfanyl-propanoyl]amino]-4-phenyl-butanoyl]thiazolidine-4-carboxamide 147318-81-8 5Isoquinoline-O-CH2-CO-Mta-(2S,3S)-AHPBA-Thz-NH-tBu KNI-272 Kynostatin 272 N-(1,1-Dimethylethyl)-3-[2-hydroxy-3-[[2-[[(5-isoquinolinyloxy)acetyl]amino]-3-methylthio)-1-oxopropyl]amino]-1-oxo-4-phenylbutyl]-4-thiazolidinecarboxamide, [4R-[3[2S*,3S*(R*)],4R*]] NSC651714 iQoa-Mta-Apns-Thz-NH-tBu CAS 147318-81-8

Purity 97%+In StockPharmaceutical Standards
CAS No.147318-81-8
Molecular FormulaC33H41N5O6S2
Molecular Weight667.84 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

(4R)-N-tert-butyl-3-[(2S,3S)-2-hydroxy-3-[[(2R)-2-[[2-(5-isoquinolyloxy)acetyl]amino]-3-methylsulfanyl-propanoyl]amino]-4-phenyl-butanoyl]thiazolidine-4-carboxamide
147318-81-8
5Isoquinoline-O-CH2-CO-Mta-(2S,3S)-AHPBA-Thz-NH-tBu
KNI-272
Kynostatin 272
N-(1,1-Dimethylethyl)-3-[2-hydroxy-3-[[2-[[(5-isoquinolinyloxy)acetyl]amino]-3-methylthio)-1-oxopropyl]amino]-1-oxo-4-phenylbutyl]-4-thiazolidinecarboxamide, [4R-[3[2S*,3S*(R*)],4R*]]
NSC651714
iQoa-Mta-Apns-Thz-NH-tBu CAS 147318-81-8 chemical structure

Description

Compared with other compounds in its class, the molecular weight of 667.84 g/mol gives (4R)-N-tert-butyl-3-[(2S,3S)-2-hydroxy-3-[[(2R)-2-[[2-(5-isoquinolyloxy)acetyl]amino]-3-methylsulfanyl-propanoyl]amino]-4-phenyl-butanoyl]thiazolidine-4-carboxamide 147318-81-8 5Isoquinoline-O-CH2-CO-Mta-(2S,3S)-AHPBA-Thz-NH-tBu KNI-272 Kynostatin 272 N-(1,1-Dimethylethyl)-3-[2-hydroxy-3-[[2-[[(5-isoquinolinyloxy)acetyl]amino]-3-methylthio)-1-oxopropyl]amino]-1-oxo-4-phenylbutyl]-4-thiazolidinecarboxamide, [4R-[3[2S*,3S*(R*)],4R*]] NSC651714 iQoa-Mta-Apns-Thz-NH-tBu distinctive chromatographic separation conditions and mass-spectrometry parameter settings.

CATO supplies (4R)-N-tert-butyl-3-[(2S,3S)-2-hydroxy-3-[[(2R)-2-[[2-(5-isoquinolyloxy)acetyl]amino]-3-methylsulfanyl-propanoyl]amino]-4-phenyl-butanoyl]thiazolidine-4-carboxamide 147318-81-8 5Isoquinoline-O-CH2-CO-Mta-(2S,3S)-AHPBA-Thz-NH-tBu KNI-272 Kynostatin 272 N-(1,1-Dimethylethyl)-3-[2-hydroxy-3-[[2-[[(5-isoquinolinyloxy)acetyl]amino]-3-methylthio)-1-oxopropyl]amino]-1-oxo-4-phenylbutyl]-4-thiazolidinecarboxamide, [4R-[3[2S*,3S*(R*)],4R*]] NSC651714 iQoa-Mta-Apns-Thz-NH-tBu (CAS 147318-81-8), a certified reference material (molecular formula C33H41N5O6S2, MW 667.84 g/mol) for analytical method development and quality control.

Structurally, (4R)-N-tert-butyl-3-[(2S,3S)-2-hydroxy-3-[[(2R)-2-[[2-(5-isoquinolyloxy)acetyl]amino]-3-methylsulfanyl-propanoyl]amino]-4-phenyl-butanoyl]thiazolidine-4-carboxamide 147318-81-8 5Isoquinoline-O-CH2-CO-Mta-(2S,3S)-AHPBA-Thz-NH-tBu KNI-272 Kynostatin 272 N-(1,1-Dimethylethyl)-3-[2-hydroxy-3-[[2-[[(5-isoquinolinyloxy)acetyl]amino]-3-methylthio)-1-oxopropyl]amino]-1-oxo-4-phenylbutyl]-4-thiazolidinecarboxamide, [4R-[3[2S*,3S*(R*)],4R*]] NSC651714 iQoa-Mta-Apns-Thz-NH-tBu (C33H41N5O6S2) contains a nitrogen-containing heterocyclic scaffold, an amide group, a sulfone group, a hydroxyl group, an ether linkage. The molecule exhibits a degree of unsaturation (DBE) of 16.0, corresponding to approximately 16 ring(s) or double-bond equivalent(s). With a molecular weight of 667.84 g/mol, it falls into the high-molecular-weight range. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.

Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.

CATO manufactures (4R)-N-tert-butyl-3-[(2S,3S)-2-hydroxy-3-[[(2R)-2-[[2-(5-isoquinolyloxy)acetyl]amino]-3-methylsulfanyl-propanoyl]amino]-4-phenyl-butanoyl]thiazolidine-4-carboxamide 147318-81-8 5Isoquinoline-O-CH2-CO-Mta-(2S,3S)-AHPBA-Thz-NH-tBu KNI-272 Kynostatin 272 N-(1,1-Dimethylethyl)-3-[2-hydroxy-3-[[2-[[(5-isoquinolinyloxy)acetyl]amino]-3-methylthio)-1-oxopropyl]amino]-1-oxo-4-phenylbutyl]-4-thiazolidinecarboxamide, [4R-[3[2S*,3S*(R*)],4R*]] NSC651714 iQoa-Mta-Apns-Thz-NH-tBu under ISO 17034:2016 accreditation with dual CNAS and ANAB accreditation. Each batch is characterized by orthogonal methods and supplied with a full Certificate of Analysis (COA), ensuring metrological traceability.

Physical & Chemical Properties

Molecular FormulaC33H41N5O6S2
Molecular Weight667.84 g/mol
Purity97%+
StorageStore in a cool place (≤25°C), protect from light, keep sealed and dry
Solubility (reference)Soluble in DMSO, DMF, methanol
StabilityMay oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening
Degree of Unsaturation (DBE)16.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)1999
Nitrogen Atoms5
Sulfur Atoms2

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