USD $5.00-10.00 / Gram
USD $1.00-10.00 / Kilogram
USD $1.00-10.00 / Kilogram
USD $2.00-10.00 / Kilogram
USD $2.00-10.00 / Kilogram
USD $2.00-10.00 / Kilogram
USD $1.00-10.00 / Kilogram
USD $1.00-10.00 / Kilogram
USD $1.00-10.00 / Kilogram
raw material zanamivir cas 139110-80-8
other name: 4-guanidino-2,4-dideoxy-2,3-dehydro-n-acetylneuraminic acid;4-guanidino-neu5ac2en;d-glycero-d-galacto-non-2-enonic acid, 5-(acetylamino)-4-[(aminoiminomethyl)amino]-2,6-anhydro-3,4,5-trideoxy- (9ci)
cas no.: 139110-80-8
mf: c12h20n4o7
mw: 332.3098
inchi: 1s\/c12h20n4o7\/c1-4(18)15-8-5(16-12(13)14)2-7(11(21)22)23-10(8)9(20)6(19)3-17\/h2,5-6,8-10,17,19-20h,3h2,1h3,(h,15,18)(h,21,22)(h4,13,14,16)\/t5-,6+,8+,9+,10+\/m0\/s1
melting point: 256°c (dec.)
appearance:white or off-white crystalline powder
specification: 99%
standard: ep/bp/usp/cp
specification:
tests |
specifications |
results |
characters |
white to off-white crystalline powder with a characteristic sulfide-like order |
complies |
identification |
ir:similar to reference standard |
complies |
appearance of solution |
clear and colorless |
complies |
specific rotation |
-127°to -132° |
-131° |
loss on drying |
≤0.5% |
0.06% |
sulphated ash |
≤0.2% |
0.03% |
heavy metals |
≤0.002% |
complies |
ph |
2.0 to 2.6 |
2.3 |
related compouds |
|
undetected undetected |
assay(anhydrous) |
98.0% to 101.5% |
100.2% |