5′-cytidine monophosphoric acid

[ symonym ] 5′-cmp(free acid)

[ molecular formula ] c9h14n3o8p

[ molecular weight ] 323.21

[ structural formula ]

[ description ] white or almost white crystalline powder. insoluble in benzene and alcohol, etc organic solvent.

[ specifications ]

grade
target
items

good grade one grade two grade qualified grade
1
ratio of uv spectrophotom
a280/a260
a250/a260

2.03-2.17
0.41-0.49 2.03-2.17
0.41-0.49 2.03-2.17
0.41-0.49 2.03-2.17
0.41-0.49
2 assay(dried)(uv) % ≥ 98.0 95.0 93.0 90.0
3 assay(dried)(hplc) % 98.0 95.0 93.0 90.0
4 loss on drying % ≤ 5.0 5.0 5.0 5.0
5 value of ph 3.0-5.0 3.0-5.0 3.0-5.0 3.0-5.0
6 colour and clarity clear and colorless clear and colorless clear and colorless clear and colorless
7 heavy metal(as pb) % ≤ 0.001 / / /
8 arsenium (as) % ≤ 0.0001 / / /
9 transmittance≥ (430nm, c=1%, 0.2mol/l, naoh) 95.0 / / /
remark:
1) there are 4 optional items, including assay(hplc), heavy metals, as and light transmittance, these 4 item only be tested under your requirements.
2) as is random test item, which only be tested in 1 time a year.
[ uses ]it is serve as produce nucleotide kind durg’s material intermediate and food additives etc. example, serve as synthesize ctp, polyic, ara-c, ddc,cdp-choline’s material etc.

[ packing ] in paper board barrel , lined with double-layer polyethylene bag of 5kg,10kg and 20kgs.

[ storage ] keep in the prevent moisture, avoidance-light, avoidance-hot and dry storage room.

63-37-6;30811-80-4;26936-40-3