Reagents, S, AFG Bioscience, Reagents
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Strontium Sulphate ; Reagent Grade ; >/= 99% (Assay)
AFG BioscienceGrade: Reagent Grade Purity Limit: ≥ 99% (Assay) CAS No.: 7759-02-6 Molecular Formula: SrSO4 Molecular Weight: 183.68 MDL No.: MFCD00036274 Appearance: White powder Comments: Widely applied in the manufacturing of Barium Salts, pigments, special glass, printing inks,…
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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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Synonyms: Trisodium phosphate dodecahydrate Grade: ACS reagent Purity Limit: 98.0-102.0% (Titration) CAS No.: 10101-89-0 Molecular Formula: Na3PO4·12H2O Molecular Weight: 380.1 MDL No.: MFCD00149198 Appearance: White crystals Comments: Buffer; sequestering agent. Melting…
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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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Sar-Sar-OH ; >/= 98% (TLC)
AFG BiosciencePurity Limit: ≥ 98% (TLC) CAS No.: 38082-70-1 Molecular Formula: C6H11N2O3 Molecular Weight: 159.16 MDL No.: MFCD00238351 Appearance: White powder Storage Temperature: Store at 0-8°C
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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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S-Acetamidomethyl-L-cysteine hydrochloride ; >/= 98% (HPLC)
AFG BioscienceSynonyms: L-Cys(Acm)-OH·HCl Purity Limit: ≥ 98% (HPLC) CAS No.: 28798-28-9 Molecular Formula: C6H12N2O3S·HCl Molecular Weight: 228.7 MDL No.: MFCD00077080 Appearance: White powder Melting Point: 163-167º C Storage Temperature: Store at 0-8°C
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Synonyms: L(+)-Ascorbic acid sodium saltVitamin C sodium salt Grade: USP Purity Limit: 99.0-101.0% (Titration: anhydrous basis) CAS No.: 134-03-2 Molecular Formula: C6H7O6Na Molecular Weight: 198.1 MDL No.: MFCD00082340 Appearance: White to off-white powder Comments: …
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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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S-Benzyl-L-cysteine ß-naphthylamide ; 99%
AFG BioscienceSynonyms: L-Cys(Bzl)-ßNA Purity Limit: 99% CAS No.: 7436-63-7 Molecular Formula: C20H20N2OS Molecular Weight: 336.45 MDL No.: MFCD00021595 Storage Temperature: Store at 0-8°C
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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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Synonyms: Sodium pyrophosphate tetrabasic decahydrateTetrasodium pyrophosphate decahydrate Grade: ACS reagent Purity Limit: 99.0-103.0% (Titration) CAS No.: 13472-36-1 Molecular Formula: Na4P2O7·10H2O Molecular Weight: 446.06 MDL No.: MFCD00149200 Appearance: White crystals …
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Synonyms: Sodium phosphate dibasicDisodium hydrogen phosphate Grade: ACS reagent 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…
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(S)-Na-Fmoc-Nß-Boc-2,3-diaminopropan-1-ol ; >/= 99% (HPLC)
AFG BioscienceSynonyms: Fmoc-L-Dap(Boc)-ol (S)-2-(Fmoc-amino)-3-(Boc-amino)-1-propanol Purity Limit: ≥ 99% (HPLC) CAS No.: 915714-21-5 Molecular Formula: C23H28N2O5 Molecular Weight: 412.5 MDL No.: MFCD04973190 Appearance: White crystalline powder Melting Point: 147-153 °C Optical…
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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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Spermidine phosphate hexahydrate ; 98-102% (Titration)
AFG BioscienceSynonyms: Dispermidine triphosphate hexahyderateN-(3-Aminopropyl)-1,4-butanediamine phosphate hexahydrate Purity Limit: 98-102% (Titration) CAS No.: 23273-82-7 Molecular Formula: 2C7H19N3·6H2O·3H3O4P Molecular Weight: 692.57 MDL No.: MFCD04966492 Appearance: White crystalline…
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Purity Limit: ≥ 99.5% (Assay), Silver content min. 78% CAS No.: 534-16-7 Molecular Formula: Ag2CO3 Molecular Weight: 275.75 MDL No.: MFCD00003403 Appearance: Brown to yellow-green powder or lumps Density: 6.08 g/mL at 25 °C Melting Point: 210 °C (dec.) Storage…
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S-Boc-4,6-dimethyl-2-mercaptopyrimidine ; 98%
AFG BioscienceSynonyms: Boc-SDP Purity Limit: 98% CAS No.: 41840-28-2 Molecular Formula: C11H16N2O2S Molecular Weight: 240.30 MDL No.: MFCD00006080 Comments: Reagent for the preparation of Boc-amino acids Melting Point: 48-51°C Storage Temperature: Store at RT
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Saponin (from Quillay bark)
AFG BioscienceCAS No.: 8047-15-2 Molecular Weight: 0 MDL No.: MFCD00081981 Appearance: Dark red to tan powder Storage Temperature: Store at RT Warnings: Irritant! Moisture sensitive!
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(S)-(-)-a-(Boc-Amino)-?-butyrolactone ; >/= 99% (HPLC)
AFG BioscienceSynonyms: Boc-L-homoserine lactone Purity Limit: ≥ 99% (HPLC) CAS No.: 40856-59-5 Molecular Formula: C9H15NO4 Molecular Weight: 201.22 MDL No.: MFCD04973958 Appearance: White solid Storage Temperature: Store at 0-8 °C
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Suc-Ala-Ala-Ala-pNA ; >/= 99% (TLC)
AFG BioscienceSynonyms: Succinyl-L-alanine-L-alanine-L-alanine 4-nitroanilide Purity Limit: ≥ 99% (TLC) CAS No.: 52299-14-6 Molecular Formula: C19H25N5O8 Molecular Weight: 451.44 MDL No.: MFCD00036774 Appearance: Slightly yellowish powder Comments: Substrate for Elastase. Storage…
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Sulfo-MBS-1
AFG BioscienceCAS No.: 92921-25-0 Molecular Formula: C15H9N2O9SNa Molecular Weight: 416.13 MDL No.: MFCD01318594 Storage Temperature: Store at 0-8°C
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Sucrose ACS reagent
AFG BioscienceSynonyms: b-D-Fructofuranosyl-a-D-glucopyranoside Grade: ACS reagent CAS No.: 57-50-1 Molecular Formula: C12H22O11 Molecular Weight: 342.3 MDL No.: MFCD00006626 Appearance: White crystalline powder Comments: Used for optical rotation standard. Melting Point: 160-186 ºC…
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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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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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Spermine dihydrate
AFG BioscienceCAS # 403982-64-9 Synonyms: Gerontine N,N)-1,4-butanediamine dihydrate MDL No.: MFCD01459904 Molecular Formula: C10H26N4·2H2O Molecular Weight: 238.37 Storage Temp: Store at 0-8°C
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(S)-3-Thienylglycine ; >/= 98%
AFG BioscienceSynonyms: L-2-(3-Thienyl)glycine Purity Limit: ≥ 98% CAS No.: 1194-87-2 Molecular Formula: C6H7NO2S Molecular Weight: 157.19 MDL No.: MFCD00079617 Appearance: White powder Storage Temperature: Store at 0-8°C
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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…
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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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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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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: …