茶碱 EP 杂质 E|科析化学®标准品|QUALITY CONTROL CHEMICALS INC

QT081505

茶碱 EP 杂质 E

Theophylline EP Impurity E

别名：1,3-dimethyl-1H-purine-2,6,8(3H,7H,9H)-trione

分子式
C7H8N4O3

分子量
196.16

CAS号
944-73-0

“茶碱 EP 杂质 E”标准参考物质
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QT081503

茶碱 EP 杂质 C；咖啡因 EP 杂质 B

分子式： C7H10N4O3
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QT081505

茶碱 EP 杂质 E

分子式： C7H8N4O3
分子量：196.16
CAS号：944-73-0

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QT081538

茶碱杂质 38

分子式： C17H22N8O5
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