Is extra pure material tested to a pharmacopoeia?

Not necessarily. Extra pure is a reagent grade defined by the producer. If you need a pharmacopoeial grade, ask for IP, BP, USP or Ph. Eur. material, and the COA will name the monograph.

How do I compare extra pure products from different producers?

Put the specifications side by side and check assay, the impurities listed and their limits. The product compare feature on Zemixal shows grade data together, which makes differences easy to spot.

Can extra pure be used for preparing buffers?

For most routine buffers, yes. For buffers used in validated assays or regulated testing, many laboratories prefer AR grade so the impurity profile is fully specified.

Chemical grade

Extra Pure Grade chemicals

A middle grade with higher assay and more impurity tests than LR, below a full AR specification, widely used for synthesis.

640 products in this grade

Extra Pure Grade products

313–336 of 640 products

Cyclopropylacetylene, extra pure >98%

CAS: 6746-94-7
Formula: C₅H₆
MW: 66.1 g/mol

ZX-019197

D-Fructose, 98%

CAS: 57-48-7
Formula: C₆H₁₂O₆
MW: 180.16 g/mol

ZX-002461

D-Galactose, 99%

CAS: 59-23-4
Formula: C₆H₁₂O₆
MW: 180.16 g/mol

ZX-002464

D-Mannitol, 99%

CAS: 69-65-8
Formula: C₆H₁₄O₆
MW: 182.17 g/mol

ZX-002467

Dansyl chloride, extra pure >99%

CAS: 605-65-2
Formula: C₁₂H₁₂ClNO₂S
MW: 269.75 g/mol

ZX-037469

Dextrose monohydrate, extra pure 97.5%

CAS: 77938-63-7
Formula: C₆H₁₄O₇
MW: 198.17 g/mol

ZX-018921

Dextrose monohydrate, extra pure, 99%+

CAS: 14431-43-7
Formula: C₆H₁₄O₇
MW: 198.17 g/mol

ZX-002476

Dextrose, anhydrous, 99.5%

CAS: 50-99-7
Formula: C₆H₁₂O₆
MW: 180.16 g/mol

ZX-002477

di-Ammonium hydrogen citrate, 98%

CAS: 3012-65-5
Formula: C₆H₁₄N₂O₇
MW: 226.18 g/mol

ZX-007514

Di-n-butyltin dichloride, extra pure

CAS: 683-18-1
Formula: C₈H₁₈Cl₂Sn
MW: 303.84 g/mol

ZX-019045

Di-tert-butyl malonate, extra pure >98%

CAS: 541-16-2
Formula: C₁₁H₂₀O₄
MW: 216.27 g/mol

ZX-019204

di-tert-Butylsilyl bis(trifluoromethanesulfonate), extra pure

CAS: 85272-31-7
Formula: C₁₀H₁₈F₆O₆S₂Si
MW: 440.5 g/mol

ZX-019262

Dibromoborane dimethyl sulfide complex (8 M), extra pure

CAS: 55671-55-1
Formula: C₂H₆BBr₂S
MW: 232.76 g/mol

ZX-037271

Dibromomalonamide, extra pure >99.5%

CAS: 73003-80-2
Formula: C₃H₄Br₂N₂O₂
MW: 259.88 g/mol

ZX-019041

Dichloro acetyl chloride, extra pure >99%

CAS: 79-36-7
Formula: C₂HCl₃O
MW: 147.38 g/mol

ZX-019048

Dichloroacetic acid, extra pure >99%

CAS: 79-43-6
Formula: C₂H₂Cl₂O₂
MW: 128.94 g/mol

ZX-019046

Diethyl acetamidomalonate, extra pure >98%

CAS: 1068-90-2
Formula: C₉H₁₅NO₅
MW: 217.22 g/mol

ZX-019054

Diethylaminosulfur Trifluoride, extra pure

CAS: 38078-09-0
Formula: C₄H₁₀F₃NS
MW: 161.19 g/mol

ZX-037353

Diethylpropargylamine, extra pure >97%

CAS: 4079-68-9
Formula: C₇H₁₃N
MW: 111.18 g/mol

ZX-019056

Difluoroacetic anhydride, extra pure >97%

CAS: 401-67-2
Formula: C₄H₂F₄O₃
MW: 174.05 g/mol

ZX-019057

Dimethyl glyoxime, 99%

CAS: 95-45-4
Formula: C₄H₈N₂O₂
MW: 116.12 g/mol

ZX-008913

Dimethylamine 2 M in THF, extra pure

CAS: 124-40-3
Formula: C₂H₇N
MW: 45.08 g/mol

ZX-037366

Dimethyloctylamine, extra pure 95%

CAS: 7378-99-6
Formula: C₁₀H₂₃N
MW: 157.3 g/mol

ZX-037476

Dimethylphenylsilylchloride, extra pure >98%

CAS: 768-33-2
Formula: C₈H₁₁ClSi
MW: 170.71 g/mol

ZX-019149

Compare with other grades

HPLC Grade GC Grade AR Grade (Analytical Reagent)ACS Grade LR Grade (Laboratory Reagent)Molecular Biology Grade Spectroscopy Grade LC-MS Grade IP Grade (Indian Pharmacopoeia)BP Grade (British Pharmacopoeia)USP Grade (United States Pharmacopeia)Ph. Eur. Grade (European Pharmacopoeia)Food Grade (FCC)Technical Grade Electronic Grade Deuterated and Stable-Isotope-Labelled Compounds Pharmaceutical Secondary Reference Standards Grades guide

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