D109185-25g | Standard for GC, ≥99.5%(GC)

D109185-5g | Standard for GC, ≥99.5%(GC)

R004056-500ml | 98%

CCEM500095 | 99.1%

R096467-5ml | ≥99.5%(GC)（标准试剂）

NCS1603699-10A | 10μg/mL

NCS1603670-100A | 100μg/mL

NCS1603671-10A | 10μg/mL

CCAD301003 | ≥95%

CCFD200028 | 99.6%