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Cyclopropane Carboxylic Acid Purified Above 98%

Cyclopropanecarboxylic acid is used as an intermediate for pharmaceuticals, agrochemicals and other organic synthesis.

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Dextran Sulfate Sodium MW500, 000 LAB GRADE 98%

Specification:
Identity:                      To pass test
Appearance:                  White powder
Solubility (10%solution):        Clear to light yellow solution
Loss on Drying:               Not more than 10.0%
pH(at 10% solution):           5.0-7.5
O.D. (10% solution at 510nm): Not more than 0.05
Sulphur:                      16.0%~20.0%
Free Sulphate:                Not more than0.2%
Chloride:                      Not more than0.1%

Shelf life: 5 years

Application: Chemical reagents, fine chemicals, pharmaceutical intermediates, material intermediates, scientific research, cosmetics.
Dextran sulfates are supplied as the sodium salt forms that are soluble and stable in water. It consist of 17% (approx.) sulfur equivalent to 2.3 (approx.) sulfate groups per glucosyl residue. Dextran is a (complex branched glucan) polymer of anhydroglucose. It is composed of approximately 95% alpha-D-(166) linkages and the remaining (163) linkages account for the branching of dextran.

Dextran sulfate is an anionic polymer of sulfated glucose, capable of accelerating hybridization rates of nucleic acids. The polyanionic character of Dextran sulfate helps to approximate nucleic acid strands, increasing their effective concentration to each other and promoting hybridization. Dextran sulfate also demonstrates a sequestering interaction with proteins, presumably through hydrogen-bonding between the sulfate groups and amine groups of the protein that generates an insoluble complex. The ability of the polymer to precipitate fibrinogen and low-density lipoproteins from plasma solutions has been used for analysis and for anticoagulant applications.

Used for the detection of DNA or RNA in nucleic acid hybridization procedures. It effectively "excludes" probe from solution, accelerating the rate of annealing.
 

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High Quality 4-Androstenedione Raw Steroid USP

Androstenedione (Steroids) 
 
Basic Info.
Model NO.:CAS: 63-05-8                                                Appearance:White to off-White Solid
Molecular Formula: C19H26O2                                        Molecular Weight: 286.41
Export Markets:Global
HS Code:2937290018
 
Additional Info.
Packing: 5kg (aluminum cans)                                         Origin: China
Specification: 99%  Heavy 10PPM Rotation +193 ° - +202 ° Loss on drying 0.5% impurity 1% steroid hormone 
Characters: near white crystalline powder, soluble in ethanol, insoluble in water 
 
Uses: Simplified hormone drugs, from the testis or urine extracted with the role of a male hormone steroids, norethisterone, testosterone propionate in the middle 
Body, is widely used in small rheumatoid arthritis, diuretic, and a variety of contraceptive to control infectious inflammation.
 
OUR ADWANTAGE: 
1, High quality with competitive price: 
1)Standard: Enterprise Standard
2)We are manufacturer and can provide high quality products with factory price.
 
2, Fast and safe delivery
1)Parcel can be sent out in 24 hours after payment. Tracking number available
2)Secure and discreet shipment. Various transportation methods for your choice.
3)Customs pass rate ≥99%
4) We have our own agent/remailer/distributor who can help us ship our products very fast and safe, and we have stock in there for transferring.
 
3, We have clients throughout the world. 
1)Professional service and rich experience make customers feel at ease, adequate stock and fast delivery meet their desire.
2)Market feedback and goods feedback will be appreciated, meeting customers's requirement is our responsibility.
3) High quality, competitive price, fast delivery, first-class service gain the trust and praise from the customers
 
If you need this or you are interest in this kind of products, you are free to send me email or call me directly, we can talk more about the details of the products.
No matter you become a customer to me or not at last, you are welcome to inquire from me!
 
Tel: +86-731-22290218
Fax: +86-731-22290218
Cell: +8618188938027
E-mail: YCWlb031@yccreate.com
Skype:andyjake@outlook.com(Andy Xu)
 

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Human Growth Peptides IGF-1 IGF1 Human Des1-3

Welcome to inquiry!

Email: tony@kafenbio.com

WhatsApp: +8618002259573

Skype: tony_14616

www.pharmhormone.com

 
Human Growth Peptides IGF-1 IGF1 Human Des1-3
 
IGF-1 Basic Info.
 
Product Name: IGF1 Human Des1-3 (IGF-1)
Molar Mass: 7,372 Da
Synonyms: IGF-1Des(1-3); Des1-3; Des 1-3; Des (1-3)
Compound: Thr-Leu-Cys-Gly-Ala.
Purity: 99.21%
 
IGF-1 IGF-1DES Dose:
 
DES IGF-1 can be dosed at 50-150mcg multiple times a day (prior to training) into specific target areas. since DES has such a short half life (20-30 minutes), desensitization was not noticed at all . Injection sites should be localized; preferably, at the muscle group you want to grow. In simple terms, if you want to grow your biceps, inject IGF-1DES right into your bicep.
 
IGF-1 IGF-1DES Half-life:
 
DES IGF-1 is the shorter version of the IGF-1 chain. It is five (5) times more powerful than IGF-1LR3 and ten (10) times more powerful than regular base IGF-1. The half-life for DES is about 20-30 minutes, which means this is a very delicate chain. Therefore, administration should only be done at the site where you want to see muscle growth. DES has the ability to stimulate muscle hyperplasia better than LR3. In simple terms, it's best used for site injections, rather than overall growth.
In addition, DES is known to bind to receptors that have been deformed by lactic acid, which is often present during workouts. This allows the DES to attach itself to a mutated receptor and signal tissue growth during training. DES can be used longer and more frequently than LR3.
 

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Isopropyl Chloroformate Industrial Grade 98%min

Isopropyl Chloroformate


Commomname:isopropyl chloroformate solution
Other name:Isopropyl Chloroformate; Carbonochloridic acid 1-methylethyl ester; Isopropyl chlorocarbonate; propan-2-yl carbonochloridate
CAS:108-23-6
Purity98%min 

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N-Heptane 97%,99%,99.9%min USP 97%,99%,99.9%min

N-Heptane 97%,99%,99.9%min

 

Identification:

Chemical Name: N-Heptane

Synonyms: Normal heptane, Heptane
CAS No.: 142-82-5

Molecular formula: C7H16

 

Colorless liquid

Specifications:

Items

Standards

N- Heptane Content

≥97.0%, 99.0%,99.9%(Custom-made)

Water content

≤50ppm

Color saybolt

+30

Specific Gravity(kg/m3,20°C)

675-690

Initial boiling point

≥94°C

Dry point

≤99°C

Bromine index(mg/100g)

≤10

Total sulfur(ppm)

≤1

Aromatics content(ppm)

≤50

 

Application: It is widely used for the production of rubber and plastic, tyre, painting material, dyestuff, printing ink, adhesive, medicine, agricultural chemicals, food additives, feed additive, flavor spices, cosmetics.

 

Package and Transport:

135kg/200L Iron drum, 10.8MT/20ft ;  16MT/ISO Tank

CLASS 3: Flammable liquid UN: 1206  PG: II

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