Name:
P.W:
· Guanine  
· Ethoxyl methylene
  cyanoacetic ethyl
 
· Cefotiam Dihydrochloride(crude)  
· Penicillin G Sulfoxide P-
  Methoxybenzyl Ester
 
· N-benzoyl-L-tyrosil-DI-N-
  Propylamide
 
 
GUANINE
【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%

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