Analytical Reagents - suppliers, manufacturers, exporters

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Mulberroside C LAB GRADE 97%

Product: Mulberroside C
 
CAS no.: 102841-43-0
 
purity: 97%(HPLC)
 
Molecular formula:C24H26O9
 
Formula weight: 458.46
 
Tauto biotech as a Leader Supplier of Botanical Reference Materials in China, have more than 17 years of history,$9 million in assets,and agents in around 13 countries. 
 
We are devoted to the research, production and sales of valid monomer of natural plants with high purity and raw materials/intermediate of Herbal medicines.With the use of HSCCC, we have successfully extracted over 3000 monomers with the purification over 98%. Also we have the ability of manufacturing new products among the herbal extracts at the client's will.  
 
The quality is guaranteed as we have certification of ISO 9001:2008 International Quality System. And each product has passed very strict tests (NMR\MS\HPLC). Before send out ,we also retest the product by HPLC.

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Mulberroside F LAB GRADE 98%

Product: Mulberroside F
 
CAS no.: 193483-95-3
 
purity: 98%(HPLC)
 
Molecular formula:C26H30O14
 
Formula weight: 566.51
 
Tauto biotech as a Leader Supplier of Botanical Reference Materials in China, have more than 17 years of history,$9 million in assets,and agents in around 13 countries. 
 
We are devoted to the research, production and sales of valid monomer of natural plants with high purity and raw materials/intermediate of Herbal medicines.With the use of HSCCC, we have successfully extracted over 3000 monomers with the purification over 98%. Also we have the ability of manufacturing new products among the herbal extracts at the client's will.  
 
The quality is guaranteed as we have certification of ISO 9001:2008 International Quality System. And each product has passed very strict tests (NMR\MS\HPLC). Before send out ,we also retest the product by HPLC.

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THYMOL BLUE A.C.S. Above 90%

PRODUCT NAME : THYMOL BLUE
CAS No  : 76-61-9
Molecular Formula : C27H30O5S
Formula Weight : 466.60

 

TEST                                                              LMITS            RESULTS

Solubility 0.1% (95%EtOH)                        Clear solution   Complies

Transition range                                        pH 7.8- 9.5         Complies
                                                               (yellow Blue )
    

Absorptivity Max(PH 7.8)                  431-436 nm                    433
?1 max

Absorptivity Max(PH 9.5)                   594-598nm                    596
?3 max

Absorptivity (A1%/cm at PH 7.8 at     200-300                          300
?1 max

Absorptivity (A1%/cm at PH 7.8 at     450-550                           550
?2 max

Dyecontent bySpectrophotometry   (> 95%)                             98 %

Loss on drying at 110°C                  ( 3%)                                   0.8%

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Vanadium Dioxide Purified 98

Vanadium dioxide is a special oxide that could filter infrared ray. So it is a good temperature-controling materials. It is processed into film or add in glass normally. It is raw material for smart glass

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MERSALYL ACID A.C.S. Above 90%

PRODUCT   : MERSALYL ACID

CAS NO   :  486-67-9

MOLECULAR WEIGHT : 483.90


CHEMICAL FORMULA : C13H17HgNO6

M.P    : 192-193 °C (dec.)(lit.)

Assay(GC)   : 85.2%

solubility    : NH4OH: clear to hazy

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Schaftoside LAB GRADE HPLC>98%

Extracted from natural herbs, HPLC>98%, uesd for lab research only.

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sodium thioglycolate A.C.S. 99%

PRODUCT NAME     :           SODIUM THIOGLYCOLATE

 

CAS NO.                    :           367-51-1

 

BATCH NO.               :           STG2018/04

 

Appearance                     :               White powder                               

                 

Mfg Date                            :               JAN   2018

                                               

Exp Date                            :               FEB   2022      

 

 

 

TESTS                                                   LIMITS                                             RESULTS

 

Solubility                                5 gm in 50 ml water gives                Complies

                                                No Pink Colour or Black

                                                Particles solution                             

                       

pH of  10%Solution               4-5-7-6                                                            6.73                

 

Assay (By Titrimetry)           98.0 % to 103.5 %                              99.36%

 

 

 

Remarks : The above sample conforms to standard specification

 

Analyzed  by            Approved by                        Quality Controller

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Acetazolamide Impurity A USP 95+

Olympus is a professional manufacturer and supplier of acetazolamide impurity in all over the world. We also offers other acetazolamide impurities like Acetazolamide impurity A, Acetazolamide impurity B, Acetazolamide impurity C, Acetazolamide impurity D, Acetazolamide impurity E, Acetazolamide impurity G.                                                                                                                                                                                                                  

Team Olympus synthesized all impurities, related compound, isomer degradation products of Acetazolamide Impurity purely through hard core organic synthesis and are well characterized by HNMR, 13CNMR, MASS, IR, TGA, elemental analysis, purity test by HPLC and RT,  RRT using pharmacopeia method. 

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Acetazolamide Impurity C USP 95%

Olympus is a professional manufacturer and supplier of acetazolamide impurity in all over the world. We also offers other acetazolamide impurities like Acetazolamide impurity A, Acetazolamide impurity B, Acetazolamide impurity C, Acetazolamide impurity D, Acetazolamide impurity E, Acetazolamide impurity G.                                                                                                                                                                                                                  

Team Olympus synthesized all impurities, related compound, isomer degradation products of Acetazolamide Impurity purely through hard core organic synthesis and are well characterized by HNMR, 13CNMR, MASS, IR, TGA, elemental analysis, purity test by HPLC and RT,  RRT using pharmacopeia method.

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Acetazolamide Impurity D USP 65%

Olympus is a professional manufacturer and supplier of acetazolamide impurity in all over the world. We also offers other acetazolamide impurities like Acetazolamide impurity A, Acetazolamide impurity B, Acetazolamide impurity C, Acetazolamide impurity D, Acetazolamide impurity E, Acetazolamide impurity G.                                                                                                                                                                                                                  

Team Olympus synthesized all impurities, related compound, isomer degradation products of Acetazolamide Impurity purely through hard core organic synthesis and are well characterized by HNMR, 13CNMR, MASS, IR, TGA, elemental analysis, purity test by HPLC and RT,  RRT using pharmacopeia method.

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