2012年4月26日星期四

Trityl Chloride at Competitive Price




Product name:Trityl Chloride
CAS:76-83-5 
Molecular Formula: C19H15Cl 
Molecular Weight: 278.78 
Description of Trityl Chloride:
Synonyms: alpha-Chlorotriphenylmethane; Triphenylchloromethane; Trityl chloride
EINECS: 200-986-4
Appearance:white to yellow solid
Density :1.141g/cm3
Melting point: 110-113 ºC
Boiling point: 230-235 ºC (20 mmHg)
Purity: 97%
Solubility:chloroform 0.1g/ml
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High Quality TPTU for Sale




Product name:TPTU
CAS: 125700-71-2
Molecular Formula: C10H16BF4N3O2
Molecular Weight: 297.1
Description of TPTU:
Chemical Name: O-(1,2-dihydro-2-oxo-pyridyl)- -1,1,3,3-tetramethyluronium tetrafluoroborate
Other name:2-(2-Pyridon-1-yl)-1,1,3,3-tetramethyluronium tetrafluoroborate
Appearance: White to Off-white powder
Melting Point: 147 - 148 °C
Purity: 99% min.
Good quality with very competitive price
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2012年4月11日星期三

Best Seller of NEPIS


Product name:NEPIS
CAS
:4156-16-5
Molecular Formula: C11H11NO4S
Molecular Weight: 253.27
Description of NEPIS:
Synonymous: Woodward's Reagent K; 2-Ethyl-5-phenylisoxazolium-3'-sulfonate
Melting Point:  216-219 °C (dec.)
Purity: 98%+
High quality with competitive price
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China Exporter of MSNT


Product name:MSNT
CAS:
74257-00-4
Molecular Formula: C11H12N4O4S
Molecular Weight: 296.31
Description of MSNT:
Chemical Name: 1-(Mesitylene-2-sulfonyl)-3-nitro-1,2,4-triazole
Appearance: yellow powder
Melting Point: 132 - 134 °C
Purity: 99% min.
High quality with competitive price
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Nice Price for MMTM


Product name:MMTM
CAS:
293311-03-2
Molecular Formula: C10H17N4O3.BF4
Molecular Weight: 328.07
Description of MMTM:
Synonymous: 4-(4,6-dimethoxy-1,3,5-triazin-2-yl)-4-morpholinium tetrafluoroborate
Purity: 98%min
Storage: In cool, dry place
High quality with competitive price
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Mono-methyl terephthalate (MMT) Exporter



Product name:Mono-methyl terephthalate (MMT)
CAS: 1679-64-7
Molecular Formula: C9H8O4
Molecular Weight: 180.16 
Description of Mono-methyl terephthalate (MMT) :
Appearance
: white to off-white crystall
Melting Point: 220 - 223 °C 
Purity: 99% min.
Synonyms:1,4-Benzenedicarboxylic acid monomethyl ester; MMT
EINECS:216-849-7
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Supplier of MEI



Product name:MEI
CAS
:78375-48-1
Molecular Formula: C7H12N2O
Molecular Weight: 140.18
Description of MEI:
Chemical Name: 2-Morpholinoethyl isocyanide; 4-(2-Isocyanoethyl)morpholine 
Boiling Point: 72-73 °C0.7 mm Hg(lit.)
Density: 1.017 g/mL at 20 °C(lit.)
Purity(GC): 98%+
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2012年4月5日星期四

China Provider of HOTT


Product name:HOTT
CAS:
212333-72-7
Molecular Formula: C10H16N3OS.PF6
Molecular Weight: 371.28
Description of HOTT:
Synonymous:N,N,N',N'-Tetramethyl-S-(1-oxido-2-pyridyl)thiuronium hexafluorophosphate
Melting point:120-125 ºC
Purity:95%
Storage: In cool, dry place
We supply it in good quality and very competitive price
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Hot Sale Qualified N-Hydroxysuccinimide



Product name:N-Hydroxysuccinimide
CAS:6066-82-6
Molecular Formula: C4H5NO3
Molecular Weight: 115.09
Description of N-Hydroxysuccinimide:
Synonyms:  2,5-Pyrrolidinedione, 1-hydroxy-;N-Hydroxysuccinimide;Succinimide, N-hydroxy-;Hydroxysuccinimide;1-Hydroxysuccinimide;1-Hydroxy-2,5-pyrrolidinedione
Appearance: white crystalline powder 
Melting Point: 95-100 ℃
Purity: 99% min.
Stability: Stable. Incompatible with strong oxidizing agents, acid chlorides, acid anhydrides, strong bases. Protect from moisture.
More about:N-Hydroxysuccinimide online

Useful Information for HOOBt



Product name:HOOBt
CAS
:28230-32-2
Molecular Formula: C7H5N3O2
Molecular Weight: 163.1
Description of HOOBt:
Chemical Name: 3-Hydroxy-1, 2, 3-ben zotriazin-4(3H)-one
Appearance: Off-white to white crystal powder
Purity: 98% min.
Melting Point: 185-190 ℃ (dec.)
We supply it in good quality and very competitive price
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Sell N-hydroxy-5-norbornene-2.3-dicarboxylimide (HONB)


Product name:N-hydroxy-5-norbornene-2.3-dicarboxylimide (HONB)
CAS: 21715-90-2
Molecular Formula: C9H9NO3
Molecular Weight: 139.18
Description of N-hydroxy-5-norbornene-2.3-dicarboxylimide (HONB) :
Chemcial Name.
N-hydroxy-5-norbornene-2.3-dicarboxylimide
Appearance: white fine crystals with powder 
Melting Point: 165-170℃
Purity: 99% min
Classification: Biochemical Reagents
Use:Laboratory Reagents
More about:N-hydroxy-5-norbornene-2.3-dicarboxylimide (HONB) online

China Exporter of HOCTU


Product name:HOCTU
CAS:
137156-41-3
Molecular Formula: C5H7N3O3
Molecular Weight: 157.13
Description of HOCTU:
Synonymous: Ethyl 1-hydroxy-1H-1,2,3-Triazole-4-Carboxylate
Purity: 98%min
We supply it in good quality and very competitive price
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Sell HOBt (anhydrous)


Product name:HOBt (anhydrous)
CAS:2592-95-2
Molecular Formula: CH5N3O
Molecular Weight: 135.13 
Description of HOBt (anhydrous) :
Appearance
: Off-white to white powder
Melting Point: 156-159 ℃ (dec.)
Purity: 99% min.
Loss on Drying: 0.5% max.
Synonym: 1-Hydroxy-1H-Benzotriazole; 1-Hydroxybenzotriazole; 1-Hydroxybenzotriazole Anhydrous; HOBt
Storage:In cool, dry place
More about:HOBt (anhydrous) online