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Products > test > Hangzhou Dingyan Chem Co., Ltd | Similar Products
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(1-15 out of 15)

cas 89466-08-0 2-Hydroxyphenylboronic Acid

cas 89466-08-0 2-Hydroxyphenylboronic Acid
Items Standard Appearance Light yellow to yellow color crystalline powder Dentification (by IR) The infrared absorption spectra of the test sample and the control sample are consistent ...

Cas 50-21-5 Lactic Acid

Cas 50-21-5 Lactic Acid
Items Standard Molecular weight 90.08G/mol min Content ≥ 80-92% Specific optical rotation (-5) - (+5) Density (20 ℃ ) 1.2-1.3G/ml Refractive index(20 ℃ ) 1.42-1.43 Appearance Colourless ...

Cas 50-21-5 Lactic Acid

Cas 50-21-5 Lactic Acid
Items Standard Molecular weight 90.08G/mol min Content ≥ 80-92% Specific optical rotation (-5) - (+5) Density (20 ℃ ) 1.2-1.3G/ml Refractive index(20 ℃ ) 1.42-1.43 Appearance Colourless ...

Cas 20610-77-9 4-Aminobenzoic Acid 4-aminophenyl Ester

Cas 20610-77-9 4-Aminobenzoic Acid 4-aminophenyl Ester
Items Standard Appearance Yellow to off-white powder Purity(HPLC) 99.5% Min. Melting Point 182-185 ℃ Metal Testing Single metal ≤1ppm ...

Benfotiamine Cas 22457-89-2

Benfotiamine Cas 22457-89-2
Items Standard Appearance White crystal or white crystalline powder Identification The retention time of main peak is accordant with that of Benfotiamine RS. Loss on drying ≤1.2% Clarity and ...

Teicoplanin CAS 61036-62-2

Teicoplanin CAS 61036-62-2
Test Item Specification Appearance White or faint yellow powder Identification 1、HPLC the test solution should similar in retention time and size to the reference solution 2、IR should consistent ...

Sulfadiazine Sodium CAS 547-32-0

Sulfadiazine Sodium CAS 547-32-0
Items Standard Appearance White or almost white crystalline or powder Identification A The infrared absorption spectrum concordant with the spectrum of Sulfadiazine CRS Identification B Test ...

Isopropyl Palmitate CAS 142-91-6

Isopropyl Palmitate CAS 142-91-6
Test item Specification Appearance A colorless or slightly yellow oily liquid Ester content % ≥98 Acid value （mg KOH/g） ≤0.3 Hazen ...

Crystal Violet CAS 548-62-9

Crystal Violet CAS 548-62-9
Items Standard Appearance Dark green powder or metallic luster crystals Biological staining test Qualified ...

Cas 96020-91-6 Eflornithine Hydrochloride Hydrate

Cas 96020-91-6 Eflornithine Hydrochloride Hydrate
Items Standard Appearance A white to off-white odourless crystalline powder Solubility Freely soluble in water Identification A) HPLC test-the retention time of major peak in ...

Cas 67-03-8 Thiamine Hydrochloride

Cas 67-03-8 Thiamine Hydrochloride
Items Standard Appearance White crystalline powder Odor Odorless or with a slight specific odor Melting point Dissolves at about 248 ℃ and decomposes at the same time Identification Should ...

154445-77-9 Fmoc-L-Arg(Pbf)-OH

154445-77-9 Fmoc-L-Arg(Pbf)-OH
Items Standard Results Appearance White powder Conforms Purity (HPLC) ≥99.0% 99.65% Optical Purity ≤0.3% D-enantiomer 0.04% Specific Rotation [α]20/D -4.5° ±1.5° (C=4 in DMF) -5.5° (C=4 ...

8029-68-3 Ichthosulfonate

8029-68-3 Ichthosulfonate
Items Standard Results Appearance this article is brown black and sticky liquid Conform Identification (A)<+>reaction (A)<+>reaction B)<+>reaction (B)<+>reaction Tests loss on drying ...

Bromocresol Green cas 76-60-8

Bromocresol Green cas 76-60-8
Items Standard PH 3.8---5.4 yellow green---blue Maximum absorption wavelength (nm) λ1 PH 3.8 440~445 λ2 PH 5.4 615~618 Mass absorption coefficient L/cm·g α1(λ1PH 3.8, Dry sample) 24~28 α2（λ2PH 5.4 ...

Acriflavine Hydrochloride Cas 8063-24-9

Acriflavine Hydrochloride Cas 8063-24-9
Items Standard Appearance Orange-Red to Red Crystalline Powder, Odorless, Taste Acid Identification Shall comply tests A,B,C,D,E Solubility Shall comply Water Insoluble Matter Test Shall ...
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