Synonym
TAS0728; TAS-0728; TAS 0728;
IUPAC/Chemical Name
(R)-1-(1-acryloylpiperidin-3-yl)-4-amino-N-(4-(2-(dimethylamino)-2-oxoethyl)-2,3-dimethylphenyl)-1H-pyrazolo[3,4-d]pyrimidine-3-carboxamide
InChi Key
JCCIICHPRAAMGK-GOSISDBHSA-N
InChi Code
InChI=1S/C26H32N8O3/c1-6-20(35)33-11-7-8-18(13-33)34-25-22(24(27)28-14-29-25)23(31-34)26(37)30-19-10-9-17(15(2)16(19)3)12-21(36)32(4)5/h6,9-10,14,18H,1,7-8,11-13H2,2-5H3,(H,30,37)(H2,27,28,29)/t18-/m1/s1
SMILES Code
O=C(C1=NN([C@H]2CN(C(C=C)=O)CCC2)C3=NC=NC(N)=C31)NC4=CC=C(CC(N(C)C)=O)C(C)=C4C
Purity
>98% (or refer to the Certificate of Analysis)
Shipping Condition
Shipped under ambient temperature as non-hazardous chemical. This product is stable enough for a few weeks during ordinary shipping and time spent in Customs.
Storage Condition
Dry, dark and at 0 - 4 C for short term (days to weeks) or -20 C for long term (months to years).
Solubility
Soluble in DMSO
Shelf Life
>3 years if stored properly
Drug Formulation
This drug may be formulated in DMSO
Stock Solution Storage
0 - 4 C for short term (days to weeks), or -20 C for long term (months).
HS Tariff Code
2934.99.9001
|
Solvent |
mg/mL |
mM |
| Solubility |
| DMF |
30.0 |
59.40 |
| DMSO |
30.0 |
59.40 |
| DMSO:PBS (7.2 pH) 1:2 |
0.3 |
0.65 |
| Ethanol |
15.0 |
29.70 |
Note: There can be variations in solubility for the same chemical from different vendors or different batches from the same vendor. The following factors can affect the solubility of the same chemical: solvent used for crystallization, residual solvent content, polymorphism, salt versus free form, degree of hydration, solvent temperature. Please use the solubility data as a reference only. Warming and sonication will facilitate dissolving. Still have questions? Please contact our Technical Support scientists.
Preparing Stock Solutions
The following data is based on the
product
molecular weight
504.60
Batch specific molecular weights may vary
from batch to batch
due to the degree of hydration, which will
affect the solvent
volumes required to prepare stock solutions.
| Concentration / Solvent Volume / Mass |
1 mg |
5 mg |
10 mg |
| 1 mM |
1.15 mL |
5.76 mL |
11.51 mL |
| 5 mM |
0.23 mL |
1.15 mL |
2.3 mL |
| 10 mM |
0.12 mL |
0.58 mL |
1.15 mL |
| 50 mM |
0.02 mL |
0.12 mL |
0.23 mL |
1: Piha-Paul SA, Azaro A, Arkenau HT, Oh DY, Galsky MD, Pal SK, Hamada K, He Y, Yamamiya I, Benhadji KA, Hollebecque A. A first-in-human phase I study of TAS0728, an oral covalent binding inhibitor of HER2, in patients with advanced solid tumors with HER2 or HER3 aberrations. Invest New Drugs. 2021 Mar 27. doi: 10.1007/s10637-021-01104-7. Epub ahead of print. PMID: 33774767.
2: Irie H, Kawabata R, Fujioka Y, Nakagawa F, Itadani H, Nagase H, Ito K, Uchida J, Ohkubo S, Matsuo K. Acquired resistance to trastuzumab/pertuzumab or to T-DM1 in vivo can be overcome by HER2 kinase inhibition with TAS0728. Cancer Sci. 2020 Jun;111(6):2123-2131. doi: 10.1111/cas.14407. Epub 2020 Apr 30. PMID: 32248641; PMCID: PMC7293079.
3: Irie H, Ito K, Fujioka Y, Oguchi K, Fujioka A, Hashimoto A, Ohsawa H, Tanaka K, Funabashi K, Araki H, Kawai Y, Shimamura T, Wadhwa R, Ohkubo S, Matsuo K. TAS0728, A Covalent-binding, HER2-selective Kinase Inhibitor Shows Potent Antitumor Activity in Preclinical Models. Mol Cancer Ther. 2019 Apr;18(4):733-742. doi: 10.1158/1535-7163.MCT-18-1085. Epub 2019 Feb 20. PMID: 30787176.
