Search results for ''

T1608

"De Wit" Trays, box 10pcs. (for culture tubes "de Wit")

Acute toxicity

M1315

(DL)-Malic acid

CAS number 617-48-1
Molecular weight C4H6O5 = 134.1
Assay > 99 %

Details

T0929

2,3,5-Triiodobenzoic acid

CAS number 88-82-4
Molecular weight C7H3I3O2 = 499.8
Assay > 95 %

Details
Acute toxicity Hazardous to the aquatic environment Dangerous goods

T0915

2,4,5-Trichlorophenoxyacetic acid

CAS number 37785-57-2
Molecular weight C8H4Cl3O3K = 263.6

Details
Corrosive Acute toxicity Dangerous goods

D0911

2,4-Dichlorophenoxyacetic acid (2,4 D)

CAS number 94-75-7
Molecular weight C8H6Cl2O3 = 221.0
Assay > 96 %
Off white to tan crystals

Details

D0906

2-iP

CAS number 2365-40-4
Molecular weight C10H13N5 = 203.2
Assay > 98 %
Loss on drying ; < 1 %
White crystalline

Details

O1409

2-Nitrophenyl-β-D-galactopyranoside

CAS number 369-07-3
Molecular weight C12H15NO8 = 301.3
Assay > 90 %

Details
Respiratory sensitisation Hazardous to the aquatic environment

C0943

4-CPPU

CAS number 68157-60-8
Molecular weight C12H10ClN3O = 247.7
Assay > 98 %

Details
Acute toxicity

F0176

5-Fluoro orotic acid (5-FOA)

CAS number 703-95-7
Molecular weight C5H3FN2O4 = 174.1
Assay > 98 %

Details
Acute toxicity Respiratory sensitisation Dangerous goods

F0123

5-Fluorouracil (5-FU)

CAS number 51-21-8
Molecular weight C4H3FN2O2 = 130.1
Assay > 98 %
Loss on drying < 0.5 %

Details

D0934

6-(y-y-Dimethylallyalamino)purine (2-iP) riboside

CAS number 7724-76-7
Molecular weight C15H21N5O4 = 335.4
Assay > 97 %
White crystalline (3 x recrystallized)

Details
Acute toxicity

B0904

6-Benzylaminopurine (6-BAP)

CAS number 1214-39-7
Molecular weight C12H11N5 = 225.3
Assay > 99 %

Details

B0930

6-Benzylaminopurine riboside

CAS number 4294-16-0
Molecular weight C17H19N5O4 = 357.4
Assay > 99.5 %

Details
Acute toxicity Respiratory sensitisation Dangerous goods

M0129

6-Mercaptopurine monohydrate

CAS number 6112-76-1
Molecular weight C5H4N4S.H2O = 170.2
Assay > 96 %

Details
Acute toxicity

H0168

8-Hydroxyquinoline

CAS number 148-24-3
Molecular weight C9H7NO = 145.2
Assay > 99 %

Details
Acute toxicity

A0941

Absisic acid (S-ABA)

CAS number 21293-29-8
Molecular weight C15H20O4 = 264.3
Assay (HPLC) > 98 %
[a]20D = +425˚ (c= 0.052, MeOH)

Details
Acute toxicity

A1366

Acetylsalicylic acid

CAS number 50-78-2
Molecular weight C9H8O4 = 180.2
Assay > 99.5 %

Details

A0183

Acyclovir

CAS number 59277-89-3
Molecular weight C8H11N5O3 = 225.2

Details
Acute toxicity

A0908

Adenine hemisulphate anhydrous

CAS number 321-30-2
Molecular weight (C5H5N5)2 · H2SO4 = 368.3
Assay > 99 %

Details

A1334

Adenosine

CAS number 58-61-7
Molecular weight C10H13N5O4 = 267.2
Assay (HPLC) > 98 %
Loss on drying < 0,5%

Details

A1335

Adenosine-5-triphosphate

CAS number 987-65-5
Molecular weight C10H14N5Na2O13P3.3H2O = 605.2
Assay (dry weight) > 96 %
Dry weight > 90 %
Heavy metals < 0,002 %
White crystalline powder

Details

A1203

Agarose SPI

CAS number 9012-36-6
Gel strength 1 % > 1200 g/cm2
Gel strength 1.5 % > 2500 g/cm2
Gelling temeperature 34.5 - 37.5 C.
Melting temperature 86.5 89.5 C.
Sulphate < 0.2 %
Elektroendosmosis 0.09 - 0.13
Residue on ignition < 0.5 %
Loss on drying < 7 %
DNA Binding None detected
DNAse and RNAse activity None detected

Details
Acute toxicity

A0532

Aluminium chloride hexahydrate

CAS number 7784-13-6
Molecular weight AlCl3.6H2O = 241.4
Assay > 98 %

Details
Acute toxicity

A0185

Amiprophos methyl

CAS number 36001-88-4
Molecular weight C11H17N2O4PS = 304.3

Details
Acute toxicity

A0528

Ammonium chloride

CAS number 12125-02-9
Molecular weight NH4Cl = 53.5
Assay > 99 %

Details
Acute toxicity

A1338

Ammonium dihydrogen phosphate

CAS number 7722-76-1
Molecular weight (NH4)H2PO4 = 115.0
Assay > 99 %

Details
Oxidising Acute toxicity Dangerous goods

A0501

Ammonium nitrate

CAS number 6484-52-2
Molecular weight NH4NO3 = 80.0
Assay > 97.5 %

Details

A0502

Ammonium sulphate

CAS number 7783-20-2
Molecular weight (NH4)2SO4 = 132.1
Assay > 99 %

Details
Respiratory sensitisation

A0189

Amoxycillin sodium / Clavulanate potassium

Molecular weight MIXTURE

Details
Respiratory sensitisation

A0101

Amoxycillin trihydrate

CAS number 61336-70-7
Molecular weight C16H19N3O5S.3H2O = 419.5
Assay > 95 %

Details
Acute toxicity

A0103

Amphotericin B

CAS number 1397-89-3
Molecular weight C47H73NO17 = 924.1
Assay > 750 microg/mg

Details

A0192

Amphotericin B suspension

CAS number 1397-89-3
Molecular weight C47H73NO17 = 924.1

Details
Respiratory sensitisation

A0104

Ampicillin sodium

CAS number 69-52-3
Molecular weight C16H18N3O4SNa = 371.4

Details

A0201

Anderson's Rhododendron

Anderson W.C., Tissue culture propagation of Red and Black Raspberries, Rubus Idaeus and R. Occidentalus Act. Hort., 112, 13 (1980).

Details

A0202

Anderson's Rhododendron including vitamins

Anderson W.C., Tissue culture propagation of Red and Black Raspberries, Rubus Idaeus and R. Occidentalus Act. Hort., 112, 13 (1980).

Details
Respiratory sensitisation Acute toxicity

A0164

Apramycin sulphate

CAS number 65710-07-8
Molecular weight C21H41N5O11.2.5H2SO4 = 784.8
Assay > 50 % (base)

Details
Dangerous goods

A0156

Atrazine

CAS number 1912-24-9
Molecular weight C8H14ClN5 = 215.68
Assay > 97 %

Details

B0106

Bacitracin

CAS number 1405-87-4
Molecular weight C66H103N17O16S = 1421.6
Potency > 60 IU/mg

Details

B1713

Bacteria Screening Medium 523

For detailed information about Duchefa’s Phytopathological media have a look at our specialized brochure about this topic. Brochure can be found at the “Brochure section” at the home page of this website.

Details

B1304

Banana powder

Light brownish powder > 99.5 %
Moisture content < 5 %

Details
Acute toxicity

B1514

BES

CAS number 10191-18-1
Molecular weight C6H15NO5S = 213.2
pKa (20 C.) 6.9 - 7.3
pH range 6.4 - 7.8
Assay > 99 %
Moisture < 1 %
UV Absorbance (1 M aq. Sol., 1 cm cell, 260 nm) < 0.1
A 5 % solution in water is clear and colourless

Details

C2001

Biochemicals Catalogue (English)

Acute toxicity

B1516

Bis-Tris buffer grade

CAS number 6976-37-0
Molecular weight C8H19NO5 = 209.2
Assay > 99 %
pH range 5.8 - 7.2

Details

B1414

Blue-Gal

CAS number 97753-82-7
Molecular weight C14H16BrNO6 = 374.2
Assay > 98 %

Details
Respiratory sensitisation

B0503

Boric acid

CAS number 10043-35-3
Molecular weight H3BO3 = 61.8
Assay > 99 %

Details

C0529

Calcium carbonate

CAS number 471-34-1
Molecular weight CaCO3 = 100.1
Assay > 98.5 %

Details
Acute toxicity

C0504

Calcium chloride dihydrate

CAS number 10035-04-8
Molecular weight CaCl2.2H2O = 147.0
Assay > 97 %

Details

C0530

Calcium citrate tetrahydrate

CAS number 5785-44-4
Molecular weight Ca3(C6H5O7)2.4H2O = 570.5
Assay > 98 %

Details

C0531

Calcium gluconate monohydrate

CAS number 18016-24-5
Molecular weight C12H22CaO14.H2O = 448.4
Assay > 98.5 %

Details

C0505

Calcium nitrate tetrahydrate

CAS number 13477-34-4
Molecular weight Ca(NO3)2.4H2O = 236.2
Assay > 98.5 %

Details

C0506

Calcium phosphate tribasic

CAS number 7758-87-4
Molecular weight Ca3(PO4)2 = 310.2
Assay (Ca) > 35 - 40 %

Details
Respiratory sensitisation

C0109

Carbenicillin disodium

CAS number 4800-94-6
Molecular weight C17H16N2Na2O6S = 422.4
Assay > 90 %
Water < 5.5 %

Details
Acute toxicity

C0160

Carboxin

CAS number 5234-68-4
Molecular weight C12H13NO2S = 235.31

Details
Acute toxicity

C1006

Carrageenan Iota Type

CAS number 9062-07-1

Details

C1301

Casein hydrolysate

CAS number 9000-71-9
Total nitrogen (TN) 12.5 % - 13.5 %
Amino nitrogen (AN) 3.0 % - 4.0 %
NaCl < 6.0 %

Details
Respiratory sensitisation

C0111

Cefotaxime sodium

CAS number 64485-93-4
Molecular weight C16H16N5O7S2Na = 477.4
Assay 916 - 964 microg/mg

Details
Respiratory sensitisation

C8001

Cellulase R-10

CAS number 9012-54-8
Beige lyophilisate
Enzyme activity > 10,000 U/g
Loss on drying < 10 %

Details
Respiratory sensitisation

C8003

Cellulase RS

CAS number 9012-54-8
Off white dry powder
Enzyme activity > 16,000 U/g
Loss on drying < 10 %

Details
Respiratory sensitisation

C0110

Cephalexin monohydrate

CAS number 15686-71-2
Molecular weight C16H17N3O4S.H2O = 365.4
Assay > 95 %

Details
Corrosive Acute toxicity Dangerous goods

C1397

Cetrimide (N-tetradecyl-N,N,N-trimethylammonium bromide)

CAS number 8044-71-1
Molecular weight C17H38NBr = 336.4
Assay > 96 %

Details
Acute toxicity

C1374

CHAPS

CAS number 75621-03-3
Molecular weight C32H58N2O7S = 614.9
Assay > 97%
Water < 3 %
Absorption (280 nm) < 0.22

Details

C1302

Charcoal activated

CAS number 7440-44-0
Assay > 100 %
pH (5% in water) 5 - 7

Details

C0248

CHÉE & POOL medium

Chée, R., and Pool, R.M., Improved Inorganic Media Constituents for In Vitro Shoot Multiplication of Vitis, Scientia Horticulturae, 32 (1987) 85-95.

Details

C0249

CHÉE & POOL medium including vitamins

Chée, R., and Pool, R.M., Improved Inorganic Media Constituents for In Vitro Shoot Multiplication of Vitis, Scientia Horticulturae, 32 (1987) 85-95.

Details
Respiratory sensitisation Acute toxicity

C0113

Chloramphenicol

CAS number 56-75-7
Molecular weight C11H12Cl2N2O5 = 323.1
Assay > 98 %

Details
Acute toxicity Hazardous to the aquatic environment Dangerous goods

C0114

Chlorhexidine digluconate

CAS number 18472-51-0
Molecular weight C34H54Cl2N10O14 = 897.8
20 % aqueous solution

Details
Dangerous goods

D0161

Chloroxylenol ("Dettol")

CAS number 88-04-0

Details
Dangerous goods

C0177

Chlorsulfuron

CAS number 64902-72-3
Molecular weight C12H12ClN5O4S = 357.8
Assay > 95 %

Details
Respiratory sensitisation Acute toxicity

C0116

Chlortetracycline HCl

CAS number 64-72-2
Molecular weight C22H23ClN2O8.HCl = 515.3
Assay > 89.5 %

Details
Acute toxicity

C0605

Choline chloride

CAS number 67-48-1
Molecular weight C5H14NOCl = 139.6
White crystals

Details

C0203

CHU (N6) Medium

Chu C.C, The N6 medium and its application to anther culture of -cereal crops, Proc. Symp. Plant Tissue Cult., Peking, 43 (1978).Chu C.C. et al., Establishment of an efficient medium for anther culture of rice through comparative experiments on the nitrogen -sources. Scienta Sinic., 18, 659 (1975).

Details

C0204

CHU (N6) Medium including vitamins

Chu C.C, The N6 medium and its application to anther culture of -cereal crops, Proc. Symp. Plant Tissue Cult., Peking, 43 (1978).Chu C.C. et al., Establishment of an efficient medium for anther culture of rice through comparative experiments on the nitrogen -sources. Scienta Sinic., 18, 659 (1975).

Details

C0401

CHU vitamine mixture

Chu C.C, The N6 medium and its application to anther culture of -cereal crops, Proc. Symp. Plant Tissue Cult., Peking, 43 (1978).Chu C.C. et al., Establishment of an efficient medium for anther culture of rice through comparative experiments on the nitrogen -sources. Scienta Sinic., 18, 659 (1975).

Details
Acute toxicity

C1303

Citric acid monohydrate

CAS number 5949-29-1
Molecular weight C6H8O7.H2O = 210.1
Assay > 99.5 %

Details

C5140

CKTM Medium

CKTM medium is a semi-selective medium, which is used in combination with modified TMB medium (T5126) or MXV medium (M5131) to detect Xanthomonas campestris pv. vesicatoria (Xcv) in seeds of pepper and tomato.Xcv colonies on plates containing CKTM media are yellow, mucoid, mounded and round. For detailed information about Duchefa’s Phytopathological media have a look at our specialized brochure about this topic. Brochure can be found at the “Brochure section” at the home page of this website.

Details

C0228

CLC / Ipomoea CP medium

Cheé R. et al., Optimizing Embryogenic Callus and Embryo Growth of a synthetic seed system for Sweetpotato by varying media nutrient concentrations. J. Am. Soc. Hort. Sci. 117, 663 (1992).

Details

C0229

CLC / Ipomoea EP medium

Cheé R. et al., Optimizing Embryogenic Callus and Embryo Growth of a synthetic seed system for Sweetpotato by varying media nutrient concentrations. J. Am. Soc. Hort. Sci. 117, 663 (1992).

Details
Acute toxicity

C0117

Clindamycin HCl

CAS number 21462-39-5
Molecular weight C18H33ClN2O5S.HCl.= 461.5
Assay > 84 %

Details
Acute toxicity Respiratory sensitisation Hazardous to the aquatic environment Dangerous goods

C0507

Cobalt chloride hexahydrate

CAS number 7791-13-1
Molecular weight CoCl2.6H2O = 237.9
Assay > 97 %

Details
Acute toxicity Dangerous goods

C0118

Colistin sulphate

CAS number 1264-72-8
Potency > 19.000 units / mg

Details

W1607

Culture tubes "De Wit"

Acute toxicity Hazardous to the aquatic environment Dangerous goods

C0508

Cupric sulphate pentahydrate

CAS number 7758-99-8
Molecular weight CuSO4.5H2O = 249.7
Assay > 99.5 %

Details

C0726

Cyanocobalamin

CAS number 68-19-9
Molecular weight C63H88CoN14O14P = 1355.4
Assay > 98 %

Details
Acute toxicity Respiratory sensitisation Hazardous to the aquatic environment Dangerous goods

C0176

Cycloheximide

CAS number 66-81-9
Molecular weight C15H23NO4 = 281.4
Assay > 95 %

Details
Acute toxicity

C0706

Cysteine HCl monohydrate

CAS number 7048-04-6
Molecular weight C3H8NO2SCl.H2O = 175.6
Assay > 98,0 %

Details

C1715

Czapek Dox Agar, CDA

Czapex Dox Agar medium is used for the cultivation of those fungi and bacteria that are able to utilize sodium nitrate as the sole source of nitrogen.For detailed information about Duchefa’s Phytopathological media have a look at our specialized brochure about this topic. Brochure can be found at the “Brochure section” at the home page of this website.

Details

C1714

Czapek Dox Broth, CDB

C0604

D(+) Pantothenate

CAS number 137-08-6
Molecular weight C18H32N2O10Ca = 476.5
Assay > 98 %

Details

B0603

D(+)-Biotine

CAS number 58-85-5
Molecular weight C10H16N2O3S = 244.3
Assay > 97.5 %
White crystallie powder

Details

C0119

D-Cycloserine

CAS number 68-41-7
Molecular weight C3H6N2O2 = 102.1
Assay > 900 microg / mg

Details