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Bis(4-hydroxyphenyl)sulfide for synthesis
偶氮钙 A[用于钙测定]
PIPETTE, SEROLOGICAL 25 ML STRIPETTE,*INDIVIDUAL,
间甲酚紫钠盐
4-硝基苄基氰,98.0%(GC)
7-Bromo-3,4-dihydro-1(2H)-naphthalenone, 97%
Poly(isobutylene), ca. M.W. 840.000 100GR
Bromocresol Green, sodium salt, conforms to ACS, pure 5GR
3-甲基-2-丁烷硫醇,98%+
2-乙酰吡啶,99%
6-Fluoroveratraldehyde, 97% 5GR