Alpelisib (BYL719)

Also known as: (2S)-1-N-[4-methyl-5-[2-(1,1,1-trifluoro-2-methylpropan-2-yl)pyridin-4-yl]-1,3-thiazol-2-yl]pyrrolidine-1,2-dicarboxamide, (2S)-N-{4-Methyl-5-[2-(1,1,1-trifluoro-2-methyl-2-propanyl)-4-pyridinyl]-1,3-thiazol-2-yl}-1,2-pyrrolidinedicarboxamide, (2S)-N1 -{4-methyl-5-[1-(1,1,1-trifluoro-2-methylpropan-2-yl)pyridin- 4-yl]-1,3-thiazol-2-yl}pyrrolidine-1,2-dicarboxamide, (2S)-N1-[4-Methyl-5-[2-(2,2,2-trifluoro-1,1-dimethylethyl)-4-pyridinyl]-2-thiazolyl]-1,2-pyrrolidinedicarboxamide, (S)-N1-(4-Methyl-5-(2-(1,1,1-trifluoro-2-Methylpropan-2-yl)pyridin-4-yl)thiazol-2-yl)pyrrolidine-1,2-dicarboxaMide, (S)-pyrrolidine-1,2-dicarboxylic acid 2-amide 1-{4-methyl-5-[2-(2,2,2-trifluoro-1,1-dimethyl-ethyl)-pyridin-4-yl]-thiazol-2-yl}amide, 1,2-Pyrrolidinedicarboxamide, N-[4-methyl-5-[2-(2,2,2-trifluoro-1,1-dimethylethyl)-4-pyridinyl]-2-thiazolyl]-, (2S)-, ALPELISIB, Alpelisib, BLV-719, BYL 719, BYL-719, BYL-719 /BYL719, BYL719, CS-614, QCR-1, UNII:08W5N2C97Q

CAS No.
1217486-61-7
Jingsj CID
J-1859-3
Molecular Formula
C19H22F3N5O2S
Molecular Weight
441.470 g/mol
Category
Organic Compounds
Last updated
8/21/2026

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Physicochemical Properties

Density1.4±0.1 g/cm3

Frequently Asked Questions

What is the CAS number of Alpelisib (BYL719)?

1217486-61-7

What are the molecular formula and molecular weight of Alpelisib (BYL719)?

C19H22F3N5O2S, molecular weight 441.470 g/mol

Data compiled from public chemical databases and supplier catalogs; verify specifications with suppliers before purchase. · Last updated: 8/21/2026