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GUANINE 鸟嘌呤

CAS#: 73-40-5

MOLECULAR FORMULA: C5H5N5O

STRUCTURAL FORMULA:

PACKING:25kg/bag or 25kg/fibre drum

USES: INTERMEDIATE OF ACICLOVIR , PENCICLOVIR, GUACICLOVIR, FAMCICLOVIR.

SPECIFICATIONS:

ITEM

STANDARD

APPEARANCE

WHITE POWDER

IDENTIFICATION

IR

ASSAY(HPLC)

≥ 99.0%

LOSS OF DRYING

≤ 0.5%

RESIDUE ON IGNITION

≤ 0.1%

HEAVY METAL

≤ 10ppm

PARTICLE SIZE(THROUGH 100 MESH)

≥ 95%