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Pentaethylene Glycol Purified 98

Catalog No.	：	P010005
Product Name	：	Pentaethylene Glycol
Synonyms	：	HO-PEG5-OH
CAS#	：	4792-15-8
M.F.	：	C10H22O6
M.W.	：	238.28
Purity	：	>98%
Packing Size	：	1g,5g,25g,100g,1kg,100kg
Appearance	：	Liquid

LEO BIOCHEM can also provide:

Tetraethylene Glycol 112-60-7;9004-76-6

Pentaethylene Glycol 4792-15-8

Hexaethylene Glycol 2615-15-8

Heptaethylene Glycol 5617-32-3

Octaethylene Glycol 5117-19-1

Nonaethylene Glycol 3386-18-3

Decaethylene Glycol 5579-66-8

Undecaethylene Glycol 6809-70-7

Dodecaethylene Glycol 6790-09-6

For more products, please browse our website: www.leobiochem.com or send email to sales@leobiochem.com

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mPEG6-propionic acid Purified 97

Catalog No.	：	P020406
Product Name	：	mPEG6-propionic acid
Synonyms	：	mPEG6-CH2CH2COOH;4,7,10,13,16,19,22-Heptaoxatricosanoic acid
CAS#	：	874208-91-0
M.F.	：	C16H32O9
M.W.	：	368.42
Purity	：	>98%
Packing Size	：	250mg,1g,5g,25g,100g,1kg
Appearance	：	Liquid

LEO BIOCHEM can also provide:

mPEG3-propionic acid 67319-28-2

mPEG4-propionic acid 81836-43-3

mPEG5-propionic acid 1347750-72-4

mPEG6-propionic acid 874208-91-0

mPEG7-propionic acid 1093647-41-6

mPEG8-propionic acid

mPEG9-propionic acid

mPEG10-propionic acid

mPEG11-propionic acid 125220-94-2

mPEG12-propionic acid 1239588-11-4

For more products, please browse our website: www.leobiochem.com or send email to sales@leobiochem.com

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(+)-Biotin-PEG2-amine Purified 97

Catalog No.	：	P150202
Product Name	：	(+)-Biotin-PEG2-amine
Synonyms	：	(+)-Biotin-PEG2-NH2
CAS#	：	138529-46-1
M.F.	：	C16H30N4SO4
M.W.	：	374.49
Purity	：	>98%
Packing Size	：	100mg,250mg,1g,5g,25g,100g
Appearance	：	Solid

LEO BIOCHEM can also provide:

(+)-Biotin-PEG2-amine 138529-46-1

(+)-Biotin-PEG3-amine 359760-27-8

(+)-Biotin-PEG4-amine 663171-32-2

(+)-Biotin-PEG6-amine

(+)-Biotin-PEG11-amine 604786-74-5

For more products, please browse our website: www.leobiochem.com or send email to sales@leobiochem.com

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(+)-Biotin-PEG2-azide Purified 97

Catalog No.	：	P150602
Product Name	：	(+)-Biotin-PEG2-azide
Synonyms	：	(+)-Biotin-PEG2-N3
CAS#	：	1910803-72-3
M.F.	：	C16H28N6SO4
M.W.	：	400.5
Purity	：	>98%
Packing Size	：	100mg,250mg,1g,5g,25g,100g
Appearance	：	Solid

LEO BIOCHEM can also provide:

(+)-Biotin-PEG2-azide 1910803-72-3

(+)-Biotin-PEG3-azide 945633-30-7

(+)-Biotin-PEG4-azide 875770-34-6

(+)-Biotin-PEG5-azide 1163732-89-5

(+)-Biotin-PEG11-azide 956494-20-5

For more products, please browse our website: www.leobiochem.com or send email to sales@leobiochem.com

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Bromo-PEG2-CH2COOtBu LAB GRADE 95

Catalog No.	：	P140502
Product Name	：	Bromo-PEG2-CH2COOtBu
Synonyms	：	Br-PEG2-CH2COOtBu
CAS#	：	1807518-63-3
M.F.	：	C10H19BrO4
M.W.	：	283.16
Purity	：	>95%
Packing Size	：	1g,5g,25g,100g,1kg,10kg
Appearance	：	Liquid

LEO BIOCHEM can also provide:

P140401 Bromo-PEG1-t-butyl ester Br-PEG1-CH2CH2COOtBu 1393330-36-3

P140402 Bromo-PEG2-t-butyl ester Br-PEG2-CH2CH2COOtBu 1381861-91-1

P140403 Bromo-PEG3-t-butyl ester Br-PEG3-CH2CH2COOtBu 782475-37-0

P140404 Bromo-PEG4-t-butyl ester Br-PEG4-CH2CH2COOtBu 564476-32-0

P140405 Bromo-PEG5-t-butyl ester Br-PEG5-CH2CH2COOtBu 1415800-38-2

P140406 Bromo-PEG6-t-butyl ester Br-PEG6-CH2CH2COOtBu 1393330-41-0

P140408 Bromo-PEG8-t-butyl ester Br-PEG8-CH2CH2COOtBu 1623792-00-6

P140410 Bromo-PEG10-t-butyl ester Br-PEG10-CH2CH2COOtBu

P140412 Bromo-PEG12-t-butyl ester Br-PEG12-CH2CH2COOtBu

P140501 Bromo-PEG1-CH2COOtBu Br-PEG1-CH2COOtBu 157759-50-7

P140502 Bromo-PEG2-CH2COOtBu Br-PEG2-CH2COOtBu 1807518-63-3

P140503 Bromo-PEG3-CH2COOtBu Br-PEG3-CH2COOtBu

P140504 Bromo-PEG4-CH2COOtBu Br-PEG4-CH2COOtBu 1807505-29-8

P140505 Bromo-PEG5-CH2COOtBu Br-PEG5-CH2COOtBu

P140506 Bromo-PEG6-CH2COOtBu Br-PEG6-CH2COOtBu

P140508 Bromo-PEG8-CH2COOtBu Br-PEG8-CH2COOtBu

P140510 Bromo-PEG10-CH2COOtBu Br-PEG10-CH2COOtBu

P140512 Bromo-PEG12-CH2COOtBu Br-PEG12-CH2COOtBu

For more products, please browse our website: www.leobiochem.com or send email to sales@leobiochem.com

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Dodecaethylene Glycol Purified 97

Catalog No.	?	P010012
Product Name	?	Dodecaethylene Glycol
Synonyms	?	HO-PEG12-OH
CAS#	?	6790-09-6
M.F.	?	C24H50O13
M.W.	?	546.65
Purity	?	>98%
Packing Size	?	1g,5g,25g,100g,1kg,100kg
Appearance	?	Liquid or Solid

LEO BIOCHEM can also provide:

Tetraethylene Glycol 112-60-7;9004-76-6

Pentaethylene Glycol 4792-15-8

Hexaethylene Glycol 2615-15-8

Heptaethylene Glycol 5617-32-3

Octaethylene Glycol 5117-19-1

Nonaethylene Glycol 3386-18-3

Decaethylene Glycol 5579-66-8

Undecaethylene Glycol 6809-70-7

Dodecaethylene Glycol 6790-09-6

as well as other PEG derivatives.

Welcome to contact us or browse our website for more details:

Email?sales@leobiochem.com

Website?www.leobiochem.com

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Fmoc-PEG2-acetic acid Purified 97

Catalog No.	?	P110002
Product Name	?	Fmoc-PEG2-acetic acid
Synonyms	?	Fmoc-8-Amino-3,6-dioxaoctanoic acid;Fmoc-AEEA
CAS#	?	166108-71-0
M.F.	?	C21H23NO6
M.W.	?	385.42
Purity	?	>98%
Packing Size	?	250mg,1g,5g,25g,100g,1kg
Appearance	?	Powder

LEO BIOCHEM can also provide:

Fmoc-PEG1-acetic acid 260367-12-2

Fmoc-PEG2-acetic acid 166108-71-0

Fmoc-PEG3-acetic acid 139338-72-0

Fmoc-PEG4-acetic acid 437655-95-3

Fmoc-PEG5-acetic acid 635287-26-2

Fmoc-PEG8-acetic acid 868594-52-9

Fmoc-PEG1-propionic acid 1654740-73-4

Fmoc-PEG2-propionic acid 872679-70-4

Fmoc-PEG3-propionic acid 867062-95-1

Fmoc-PEG4-propionic acid 557756-85-1

Fmoc-PEG5-propionic acid 882847-32-7

Fmoc-PEG6-propionic acid 882847-34-9

Fmoc-PEG7-propionic acid

Fmoc-PEG8-propionic acid 756526-02-0

Fmoc-PEG9-propionic acid 1191064-81-9

Fmoc-PEG10-propionic acid

Fmoc-PEG12-propionic acid 756526-01-9

For more products, please browse our website: www.leobiochem.com or send email to sales@leobiochem.com

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Fmoc-PEG3-acetic acid Purified 97

Catalog No.	：	P110003
Product Name	：	Fmoc-PEG3-acetic acid
Synonyms	：	Fmoc-11-Amino-3,6,9-trioxanudecanoic acid;Fmoc-AEEEA
CAS#	：	139338-72-0
M.F.	：	C23H27NO7
M.W.	：	429.47
Purity	：	>98%
Packing Size	：	250mg,1g,5g,25g,100g,1kg
Appearance	：	Liquid

LEO BIOCHEM can also provide:

Fmoc-PEG1-acetic acid 260367-12-2

Fmoc-PEG2-acetic acid 166108-71-0

Fmoc-PEG3-acetic acid 139338-72-0

Fmoc-PEG4-acetic acid 437655-95-3

Fmoc-PEG5-acetic acid 635287-26-2

Fmoc-PEG8-acetic acid 868594-52-9

Fmoc-PEG1-propionic acid 1654740-73-4

Fmoc-PEG2-propionic acid 872679-70-4

Fmoc-PEG3-propionic acid 867062-95-1

Fmoc-PEG4-propionic acid 557756-85-1

Fmoc-PEG5-propionic acid 882847-32-7

Fmoc-PEG6-propionic acid 882847-34-9

Fmoc-PEG7-propionic acid

Fmoc-PEG8-propionic acid 756526-02-0

Fmoc-PEG9-propionic acid 1191064-81-9

Fmoc-PEG10-propionic acid

Fmoc-PEG12-propionic acid 756526-01-9

For more products, please browse our website: www.leobiochem.com or send email to sales@leobiochem.com

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6-HYDROXY-2-NAPHTHOIC ACID USP >99%

6-HYDROXY-2-NAPHTHOIC ACID(2,6-BON)

Basic Information

Product Number:SX1002
6-Hydroxy-2-naphthalene carboxylic acid;2-Hydroxy-6-naphthoic acid
Molecular formula: C₁₁H₈O₃
Molecular weight: 188.18
CAS: 16712-64-4

EINECS No: 240-759-7

Physical and chemical properties

Appearance: white to light yellow powder (superior grade), light yellow to light brown powder or lump (qualified product).

Melting point≥245℃,

Solubility: soluble in ethyl alcohol, diethyl ether, benzene, trichloromethane and alkaline solution, slightly soluble in hot water, almost insoluble in cold water.

Detailed Description
Quality index

ITEM	SPECIFICATION	TEST METHOD
Purity(%)	≥99.5% 99.5% MIN	HPLC
2,3-HNA(%)	≤0.05 0.05 MAX	HPLC
2-Naphthol(%)	≤0.1 0.1 MAX	HPLC
2-Naphthalene Sulfonic Acid(%)	≤0.002 0.002 MAX	HPLC
HNDA(%)	≤0.05 0.05 MAX	HPLC
2,6-HNA Methyl Ester(%)	≤0.1 0.1 MAX	HPLC
1,1-Bi(2-Naphthol)(%)	≤0.1 0.1 MAX	HPLC
Melting Point(℃)	245-247	Digital Melting Apparatus
Moisture(%)	≤0.1 0.1 MAX	Baking Oven
Bulk Density(Kg/L)	≥0.48 0.48 MIN	Gravimetry
Sulfur(PPM)	≤50 50 MAX	Sulfur Analyzer
Insolubles (PPM)	≤50 50 MAX	Gravimetry
Color (Pt-Co)	≤50 50 MAX	Colourimetry 1g in 50ml Methanol
Potassium K (PPM)	≤10 10 MAX	AAS
Sodium Na (PPM)	≤10 10 MAX	AAS
Iron Fe (PPM)	≤10 10 MAX	AAS
Calcium+Magnesium Ca+Mg (PPM)	≤10 10 MAX	AAS

Application

This product functions as an important organic intermediate of engineering plastics, organic pigments, liquid crystal materials and medicines and as monomer of temperature-resistant synthetic materials.
Packing

Double-layer plastic woven bag, net weight is 25kg, or pp bag, net weight is 500kg/bag or 1000kg/bag.

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Bromo-PEG1-acetic acid LAB GRADE 95

Catalog No.	?	P040201
Product Name	?	Bromo-PEG1-acetic acid
Synonyms	?	Br-PEG1-CH2COOH
CAS#	?	1135131-50-8
M.F.	?	C4H7BrO3
M.W.	?	183
Purity	?	>95%
Packing Size	?	1g,5g,25g,100g,1kg,10kg
Appearance	?	Liquid