28888-44-0COc1cc2[nH]c(=O)[nH]c(=O)c2cc1OCKWNQIIMVPSMYEM-UHFFFAOYSA-Na key intermediate for production of medicines such as alfuzosin, prazosin, terazosin, doxazosin, and IAAP which are effective alpha1-adrenergic blockers and antihypertensives; structure in first source
28888-44-0brown powder
안전 정보는 참고용이며, 공급업체의 물질안전보건자료(SDS), 관련 법규 및 전문가 평가를 대체하지 않습니다.
This chemical does not meet GHS hazard criteria for 4.3% (2 of 46) of reports.
Warning
H315 (93.5%): Causes skin irritation [Warning Skin corrosion/irritation]
P261, P264, P264+P265, P271, P280, P302+P352, P304+P340, P305+P351+P338, P319, P321, P332+P317, P337+P317, P362+P364, P403+P233, P405, and P501 (click each P-code to see the statement)
Aggregated GHS information provided per 46 reports by companies from 7 notifications to the ECHA C&L Inventory. Each notification may be associated with multiple companies.
REACH registered substance: 6,7-dimethoxyquinazoline-2,4(1H,3H)-dione (EC: 249-288-1)
2,4(1H,3H)-Quinazolinedione, 6,7-dimethoxy-: Does not have an individual approval but may be used under an appropriate group standard
용도6,7-Dimethoxyquinazoline-2,4-dione (Doxazosin EP Impurity D) is an intermediate in the preparation of Alfuzosin hydrochloride (A532000), an antihypertensive.
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DTXSID9046100CHEMBL1403860