Reagents, S, AFG Bioscience, Supplies
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Sodium acetate trihydrate ; FCC ; 99.5-101.0% (Titration)
AFG BioscienceSynonyms: Acetic acid sodium salt Grade: FCC Purity Limit: 99.5-101.0% (Titration) CAS No.: 6131-90-4 Molecular Formula: C2H3O2Na·3H2O Molecular Weight: 136.10 MDL No.: MFCD00071557 Appearance: White crystals Comments: Used as buffers. Melting Point: 58 °C (Approx.) …
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Synonyms: Sodium phosphate dibasicDisodium hydrogen phosphate Grade: USP Purity Limit: ≥ 99.0% (Titration) CAS No.: 7558-79-4 Molecular Formula: Na2HPO4 Molecular Weight: 141.96 MDL No.: MFCD00003496 Appearance: White crystalline powder Comments: It is used in pH buffer…
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S-Benzyl-L-cysteine 4-nitroanilide ; >/= 98% (TLC)
AFG BioscienceSynonyms: L-Cys(Bzl)-pNA Purity Limit: ≥ 98% (TLC) CAS No.: 7436-62-6 Molecular Formula: C16H17N3O3S Molecular Weight: 331.43 MDL No.: MFCD00007302 Appearance: Yellowish powder Comments: Highly efficient substrate for cystyl aminopeptidase (oxytocinase). Storage…
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Grade: ACS reagent Purity Limit: ≥ 99% (Assay) CAS No.: 6132-04-3 Molecular Formula: C6H5O7Na3·2H2O Molecular Weight: 294.10 MDL No.: MFCD00150031 Appearance: White crystalline powder Comments: Sodium citrate is chiefly used as a food additive, usually for flavor or as a…
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Synonyms: Monosodium phosphateSodium dihydrogen phosphate Grade: Reagent Purity Limit: ≥ 99% (Titration) CAS No.: 7558-80-7 Molecular Formula: NaH2PO4 Molecular Weight: 120.00 MDL No.: MFCD00003527 Appearance: White powder Storage Temperature: Store at RT Warnings: …
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Synonyms: L-Cys(aminoethyl)-OH·HClL-4-Thialysine hydrochloride Purity Limit: ≥ 98% (Elemental Analysis) CAS No.: 4099-35-8 Molecular Formula: C5H12N2O2S·HCl Molecular Weight: 200.7 MDL No.: MFCD00036385 Appearance: Slightly beige powder Melting Point: 200-202 ºC Optical…
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Synonyms: ß-D-Fructofuranosyl-a-D-glucopyranoside Grade: USP/NF, EP, JP, High Purity, Low Endotoxin CAS No.: 57-50-1 Molecular Formula: C12H22O11 Molecular Weight: 342.30 MDL No.: MFCD00006626 Appearance: White to off-white powder Optical Rotation: [a]D20 = +66.3° to +67.0º …
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Synonyms: Boc-(S)-3-amino-2,3-dihydro-4-oxo-1,5-benzothiazepine-5(2H)-acetic acid Purity Limit: ≥ 98% (HPLC) CAS No.: 250349-13-4 Molecular Formula: C16H20N2O6 Molecular Weight: 336.34 MDL No.: MFCD03788636 Appearance: White powder Storage Temperature: Store at 0-8°C
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N1,N4-bis-Boc-spermidine, 97% (TLC)
AFG BioscienceCAS # 85503-20-4 Synonyms: 1,5-bis-Boc-1,5,10-triazadecane MDL No.: MFCD16875671 Molecular Formula: C17H35N3O4 Molecular Weight: 345.48 Purity Limit: 97% (TLC) Storage Temp: Store at 0-8 °C Appearance: Colorless oil
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(S)-Boc-4-(4-pyridyl)-ß-Homoala-OH ; >/= 95% (HPLC)
AFG BioscienceSynonyms: Boc-(4-pyridyl)-L-ß-homoalanine Purity Limit: ≥ 95% (HPLC) CAS No.: 219297-13-9 Molecular Formula: C14H20N2O4 Molecular Weight: 280.32 MDL No.: MFCD01076288 Appearance: Off-white or yellowish powder Melting Point: 138-144 ºC Optical Rotation: [a]D25 = -17.5 ±…
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Succinic anhydride ; >/= 99%
AFG BioscienceSynonyms: 2,5-DioxotetrahydrofuranButanedioic acid anhydride Purity Limit: ≥ 99% CAS No.: 108-30-5 Molecular Formula: C4H4O3 Molecular Weight: 100.07 MDL No.: MFCD00005525 Appearance: White flakes Boiling Point: 261°C Melting Point: 116-121 °C Storage Temperature: …
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Sodium glycocholate hydrate, 99% (HPLC, Dry basis)
AFG BioscienceCAS # 863-57-0 Synonyms: Glycocholic acid sodium salt hydrate MDL No.: MFCD00036741 Molecular Formula: C26H42NO6Na Molecular Weight: 487.61 Optical Rotation: [a]D20 = +32 ± 2º (H2O) Purity Limit: 99% (HPLC, Dry basis) Storage Temp: Store at 0-8 °C Appearance: White crystalline powder
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Sodium sulfite, 98.0% (Titration)
AFG BioscienceCAS # 7757-83-7 Comments: Reducing agent. Density: 2.633 Grade: ACS reagent MDL No.: MFCD00003503 Molecular Formula: Na2SO3 Molecular Weight: 126.04 Purity Limit: 98.0% (Titration) Storage Temp: Store at RT Appearance: White crystalline powder
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Sodium thiosulfate, 99.0-100.5% (Assay, dry basis)
AFG BioscienceCAS # 7772-98-7 Density: 1.67 Grade: USP MDL No.: MFCD00003499 Molecular Formula: Na2S2O3 Molecular Weight: 158.11 Purity Limit: 99.0-100.5% (Assay, dry basis) Storage Temp: Store at RT Appearance: White crystalline powder
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Starch from corn
AFG BioscienceSynonyms: Corn starchStarch from maize CAS No.: 9005-25-8 MDL No.: MFCD00082026 Appearance: White powder Storage Temperature: Store at RT
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ß-Sitosterol ; >/=95%
AFG BioscienceSynonyms: a-Dihydrofucosterol 22,23-dihydrostigmasterol 24ß-ethylcholesterol 5-stigmasten-3ß-ol Purity Limit: ≥95% CAS No.: 83-46-5 Molecular Formula: C29H50O Molecular Weight: 414.71 MDL No.: MFCD00003631 Storage Temperature: Store at 0-8°C
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Sarcosine ; >/= 99% (Titration)
AFG BioscienceSynonyms: Sar-OHN-Methylglycine Purity Limit: ≥ 99% (Titration) CAS No.: 107-97-1 Molecular Formula: C3H7NO2 Molecular Weight: 89.09 MDL No.: MFCD00004279 Appearance: White crystalline powder Melting Point: 202-214 °C Storage Temperature: Store at RT
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Succinimidyl-4-[2-(tert-butoxycarbonyl)hydrazino]benzoate
AFG BioscienceMDL No.: MFCD09952642 Melting Point: 206-207 °C Molecular Formula: C16H19N3O6 Molecular Weight: 349.34 Storage Temp: Store at 0-8°C
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Silica gel 60, for Column chromatography
AFG BioscienceCAS No.: 63231-67-4 MDL No.: MFCD00163736 Appearance: White powder Mesh Size: 0.063-0.200 mm (70-23 Storage Temperature: Store at RT
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(S)-Na-Z-Nß-Boc-2,3-diaminopropan-1-ol ; >/= 99% (HPLC)
AFG BioscienceSynonyms: Z-L-Dap(Boc)-ol(S)-2-(Z-amino)-3-(Boc-amino)-1-propanol Purity Limit: ≥ 99% (HPLC) CAS No.: 199005-69-1 Molecular Formula: C16H24N2O5 Molecular Weight: 324.4 MDL No.: MFCD06796908 Appearance: White crystalline powder Melting Point: 126-135 °C Optical Rotation: …
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Sodium metabisulfite ; ACS reagent ; >/= 97.0% (Titration)
AFG BioscienceSynonyms: Sodium disulfiteSodium pyrosulfite Grade: ACS reagent Purity Limit: ≥ 97.0% (Titration) CAS No.: 7681-57-4 Molecular Formula: Na2S2O5 Molecular Weight: 190.1 MDL No.: MFCD00167602 Appearance: White crystalline…
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ß-Sitosterol ; >/= 40% (HPLC)
AFG BiosciencePurity Limit: ≥ 40% (HPLC) CAS No.: 83-46-5 Molecular Formula: C29H50O Molecular Weight: 414.71 MDL No.: MFCD00003631 Appearance: White to beige crystalline powder Storage Temperature: Store at 0-8 °C
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Synonyms: Ademetionine disulfate tosylate Grade: USP Purity Limit: 95.0-105.0% (Assay) CAS No.: 97540-22-2 Molecular Formula: C22H34N6O16S4 Molecular Weight: 766.80 MDL No.: MFCD01674068 Appearance: White to off-white powder Storage Temperature: Store at 0-8 °C
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Sodium sulfate, anhydrous ; >/= 99% (Titration)
AFG BiosciencePurity Limit: ≥ 99% (Titration) CAS No.: 7757-82-6 Molecular Formula: Na2SO4 Molecular Weight: 142.04 MDL No.: MFCD00003504 Appearance: White powder Melting Point: 884°C Storage Temperature: Store at RT Warnings: Irritant! Hygroscopic!
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Succinimide ; >/= 99% (HPLC)
AFG BioscienceSynonyms: 2,5-Diketopyrrolidene2,5-Pyrrolidinedione Purity Limit: ≥ 99% (HPLC) CAS No.: 123-56-8 Molecular Formula: C4H5NO2 Molecular Weight: 99.09 MDL No.: MFCD00005495 Appearance: White crystalline powder Melting Point: 121-128 ºC Storage Temperature: Store at RT
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Salicylaldehyde
AFG BioscienceSynonyms: (2-Hydroxyphenyl) methanal 2-Formylphenol 2-Hydroxybenzaldehyde CAS No.: 90-02-8 Molecular Formula: C7H6O2 Molecular Weight: 122.12 MDL No.: MFCD00003317 Storage Temperature: Store at 0-8°C
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Sodium chloride ; ACS/USP ; 99.0-100.5% (dried basis)
AFG BioscienceGrade: ACS/USP Purity Limit: 99.0-100.5% (dried basis) CAS No.: 7647-14-5 Molecular Formula: NaCl Molecular Weight: 58.44 MDL No.: MFCD00003477 Appearance: White crystalline powder Comments: Used as an electrolyte; buffers ; matrix modification. Melting Point: 800 °C…
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(S)-Boc-ß2-HomoAla-OH ; >/= 99% (TLC)
AFG BioscienceSynonyms: (S)-3-(Boc-amino)-2-methylpropionic acid Purity Limit: ≥ 99% (TLC) CAS No.: 190897-47-3 Molecular Formula: C9H17NO4 Molecular Weight: 203.3 MDL No.: MFCD04040045 Appearance: White powder Optical Rotation: [a]D25 = +20 ± 1º (C=1 in MeOH) Storage Temperature: …
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Ser-Ala-OH
AFG BioscienceSynonyms: L-Seryl-L-alanine CAS No.: 6403-17-4 Molecular Formula: C6H12N2O4 Molecular Weight: 176.17 MDL No.: MFCD00037228 Storage Temperature: Store at 0-8°C
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Sulfanilamide ; >/= 99.5% (anhydrous assay)
AFG BioscienceSynonyms: P-Aminobenzenesulfonamide Purity Limit: ≥99.5% (anhydrous assay) CAS No.: 63-74-1 Molecular Formula: H2NC6H4SO2NH2 Molecular Weight: 172.2 MDL No.: MFCD00007939 Storage Temperature: Store at 0-8°C
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Synonyms: Disodium hydrogen phosphate heptahydrate Grade: ACS reagent Purity Limit: 98.0-102.0% (Titration) CAS No.: 7782-85-6 Molecular Formula: Na2HPO4·7H2O Molecular Weight: 268.1 MDL No.: MFCD00149180 Appearance: White crystals Comments: Buffering agent. Storage…
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S-Trityl-L-cysteine ; >/= 98% (HPLC)
AFG BioscienceSynonyms: L-Cys(Trt)-OH(+)-S-Trityl-L-cysteine Purity Limit: ≥ 98% (HPLC) CAS No.: 2799-07-7 Molecular Formula: C22H21NO2S Molecular Weight: 363.5 MDL No.: MFCD00002611 Appearance: White to off-white powder Melting Point: 155-170 °C Optical Rotation: [a]D20 = +113 ± 6º…