As of my last update in October 2023, there is no widely recognized chemical substance known as "XL999" with the CAS number "705946-27-6." It is possible that this compound is either a proprietary substance, a newly developed chemical not yet extensively documented in public databases, or a substance that has not gained significant attention in the scientific literature. CAS numbers are unique identifiers for chemical substances, and they are typically used to facilitate the identification and information retrieval of chemicals. If "XL999" is a recent development, I recommend consulting specialized databases, scientific publications, or industry resources for the most accurate and up-to-date information regarding its characteristics, applications, and safety data. Always ensure to handle any chemical substance with appropriate safety measures and consult material safety data sheets (MSDS) when available.

XL999

705946-27-6: As of my last update in October 2023, there is no widely recognized chemical substance known as "XL999" with the CAS number "705946-27-6." It is possible that this compound is either a proprietary substance, a newly developed chemical not yet extensively documented in public databases, or a substance that has not gained significant attention in the scientific literature. CAS numbers are unique identifiers for chemical substances, and they are typically used to facilitate the identification and information retrieval of chemicals. If "XL999" is a recent development, I recommend consulting specialized databases, scientific publications, or industry resources for the most accurate and up-to-date information regarding its characteristics, applications, and safety data. Always ensure to handle any chemical substance with appropriate safety measures and consult material safety data sheets (MSDS) when available.

XL 999

<p>Tyrosine kinase-IN-1 is a multi-targeted tyrosine kinase inhibitor（KDR, Flt-1, FGFR1 and PDGFRα with IC50s of 4nM, 20nM, 4nM, 2 nM ,respectively）</p>

CAS 705946-27-6

XL999

XL999

Ref: IN-DA00FGLM

XL 999

Ref: 54-BUP04745

XL 999

Ref: TM-T5466