3,4,5-Trimethoxybenzaldehyde
CAS:86-81-7 Product spec:≥99.0%
3,4,5-Trimethoxybenzaldehyde
structure formula :C10H 12O4
molecule formular :196
Standard ZLF:S-0140-01
Package250KgFibre Drum
Appearance:White or yellowish white powder
Melting point: 73-..
1.2.5.6.9.10-Hexabromocyclododecane
CAS:3194-55-6 Product spec:≥ 99%
1.2.5.6.9.10-Hexabromocyclododecane
molecule formular: C12H18Br6
Molecular weight: 641.7
Proportion: 2.24
Appearance: white powder
Melting point :180-190
Bromine content: 75% (wt)
β-alanine
CAS:107-95-9 Product spec:98%
Index name
Index
Appearance
White crystal powder
Content
98%
Chloride
≤0.02%
Sulfate
≤0.05%
Iron content
≤5ppm
Melting point
197-202°C
Heavy metals
≤3..
Cefotiam Dihydrochloride(crude)
CAS:66309-69-1 Product spec:≥ 98%
ITEM
STANDARD
APPEARANCE
OFF-WHITE POWDER
COLOR
YELLOW OR GREEN ≤ 4#
WATER (KF)
≤ 10%
PURITY (HPLC)
≥ 98%
RELATED SUBSTANCE
≤ 1.5%
SPECIFIC ROTATION
+6..
Diacetylacyclovir
CAS:75128-73-3 Product spec:≥98.0%
Item
Index
Appearance
white or off-white crystalline powder
Assay
≥98.0%
7-Diacetylacyclovir
≤0.5%
Loss on dry
≤1.0%
Heavy metals
≤10ppm
Other impurities
≤1..
N,9-Diacetylguanine
CAS:3056-33-5 Product spec:98%
N,9-Diacetylguanine
【Cas No.】: 3056-33-5
【Molecular formula】: C9H9N5O3
【Molecular weight】: 235.2
【Uses】: intermediate of acyclovir.
【Packing】: 25kgplastic woven bag or 25kgcardboard drum
Ethoxyl methylene cyanoacetic ethyl
CAS:94-05-3 Product spec:≥ 98.0%
ITEM
STANDARD
APPEARANCE
FAINT YELLOW SOLIDE
ASSAY(GC)
≥ 98.0%
LOSS OF DRYING
≤ 0.5%
RESIDUE ON IGNITION
≤ 0.5%
MELTING POINT
48 -51 °C
Guanine
CAS:73-40-5 Product spec:≥ 99.0%
C.I. 75170; C.I. Natural White 1; Guanine; 2-Amino-1,7-dihydro-6H-purin-6-one; 2-Aminohypoxanthine; 2-Amino-6-hydroxypurine; 2-amino-3,7-dihydro-6H-purin-6-one
0,0-Diethyl Chlorothiophosphate
CAS:2524-04-1 Product spec:98.5%, 99%
CAS NO.:2524-04-1
Molecular formula:C4H10ClO2PS
Molecular weight:188.61
Specification:98.5%, 99%
Ethyl chloride is the key intermediate of organic phosphorus pesticide, and used to synthesize ..
Diethyl maleate(diethylester)
CAS:141-05-9 Product spec:98%
CAS NO.:141-05-9
Molecular formula:C8H12O4
Molecular weight:172.18
Specification:98%
it is used to produce organic phosphorus pesticide and used as pharmaceutical, flavor and water quality sta..