CAS: 64-19-7 Molecular Formula: C2H4O2 Molecular Weight (g/mol): 60.052 MDL Number: 36152 InChI Key: QTBSBXVTEAMEQO-UHFFFAOYSA-N Synonym: ethanoic acid, ethylic acid, acetic acid, glacial, methanecarboxylic acid, vinegar acid, glacial, acetasol, acide acetique, essigsaeure PubChem CID: 176 ChEBI: CHEBI:15366 IUPAC Name: acetic acid SMILES: CC(=O)O 2.5LT Acetic acid glacial, Certified AR for analysis, meets Ph.Eur., BP, USP

CAS: 7664-93-9 Molecular Formula: H2O4S Molecular Weight (g/mol): 98.072 InChI Key: QAOWNCQODCNURD-UHFFFAOYSA-N Synonym: oil of vitriol, sulphuric acid, dihydrogen sulfate, mattling acid, battery acid, dipping acid, acide sulfurique, electrolyte acid, acidum sulfuricum, vitriol brown oil PubChem CID: 1118 ChEBI: CHEBI:26836 IUPAC Name: sulfuric acid SMILES: OS(=O)(=O)O SVAVELSYRA 95-97% PA 2,5L GLASFLASKA

CAS: 68-12-2 Molecular Formula: C3H7NO Molecular Weight (g/mol): 73.095 MDL Number: 3284 InChI Key: ZMXDDKWLCZADIW-UHFFFAOYSA-N Synonym: dimethylformamide, dimethyl formamide, n,n-dimethylmethanamide, n-formyldimethylamine, formamide, n,n-dimethyl, dmf, dimethylformamid, dimetilformamide, dwumetyloformamid, dmfa PubChem CID: 6228 ChEBI: CHEBI:17741 IUPAC Name: N,N-dimethylformamide SMILES: CN(C)C=O 10LT Dimethylformamide, Certified AR for analysis

CAS: 64-18-6 Molecular Formula: CH2O2 Molecular Weight (g/mol): 46.025 MDL Number: 3297 InChI Key: BDAGIHXWWSANSR-UHFFFAOYSA-N Synonym: methanoic acid, formylic acid, aminic acid, bilorin, hydrogen carboxylic acid, formisoton, myrmicyl, formira, acide formique, collo-bueglatt PubChem CID: 284 ChEBI: CHEBI:30751 IUPAC Name: formic acid SMILES: C(=O)O 2ML Formic acid, 99.5+%, Optima(TM) LC/MS grade

50GR Ammonium formate, Optima(TM) LC/MS grade

50GR Ammonium bicarbonate eluent additive for LC-MS

CAS: 139-33-3 Molecular Formula: C10H14N2Na2O8 Molecular Weight (g/mol): 336.208 MDL Number: MFCD00070672 InChI Key: ZGTMUACCHSMWAC-UHFFFAOYSA-L Synonym: ethylenediaminetetraacetic acid disodium salt, edta na2, disodium 2-2-bis carboxymethyl amino ethyl-carboxymethyl amino acetic acid PubChem CID: 57339238 ChEBI: CHEBI:64734 IUPAC Name: disodium;2-[2-[bis(carboxylatomethyl)azaniumyl]ethyl-(carboxylatomethyl)azaniumyl]acetate SMILES: C(C[NH+](CC(=O)[O-])CC(=O)[O-])[NH+](CC(=O)[O-])CC(=O)[O-].[Na+].[Na+] 2.5LT Ethylenediaminetetraacetic acid disodium salt solution Reag. Ph. Eur., volumetric,

CAS: 139-33-3 Molecular Formula: C10H14N2Na2O8 Molecular Weight (g/mol): 336.208 MDL Number: MFCD00070672 InChI Key: ZGTMUACCHSMWAC-UHFFFAOYSA-L Synonym: ethylenediaminetetraacetic acid disodium salt, edta na2, disodium 2-2-bis carboxymethyl amino ethyl-carboxymethyl amino acetic acid PubChem CID: 57339238 ChEBI: CHEBI:64734 IUPAC Name: disodium;2-[2-[bis(carboxylatomethyl)azaniumyl]ethyl-(carboxylatomethyl)azaniumyl]acetate SMILES: C(C[NH+](CC(=O)[O-])CC(=O)[O-])[NH+](CC(=O)[O-])CC(=O)[O-].[Na+].[Na+] 500ML Ethylenediaminetetraacetic acid disodium salt solution volumetric, 0.05 M EDTA-Na2

CAS: 64-18-6 Molecular Formula: CH2O2 Molecular Weight (g/mol): 46.025 MDL Number: MFCD00003297 InChI Key: BDAGIHXWWSANSR-UHFFFAOYSA-N Synonym: methanoic acid, formylic acid, aminic acid, bilorin, hydrogen carboxylic acid, formisoton, myrmicyl, formira, acide formique, collo-bueglatt PubChem CID: 284 ChEBI: CHEBI:30751 IUPAC Name: formic acid SMILES: C(=O)O 500ML Formic acid solution puriss. p.a., for HPLC, 50% in water, 49-51% (T)

CAS: 64-18-6 Molecular Formula: CH2O2 Molecular Weight (g/mol): 46.025 MDL Number: 3297 InChI Key: BDAGIHXWWSANSR-UHFFFAOYSA-N Synonym: methanoic acid, formylic acid, aminic acid, bilorin, hydrogen carboxylic acid, formisoton, myrmicyl, formira, acide formique, collo-bueglatt PubChem CID: 284 ChEBI: CHEBI:30751 IUPAC Name: formic acid SMILES: C(=O)O 25LT Formic acid, 98-100%, Certified AR for analysis

CAS: 64-18-6 Molecular Formula: CH2O2 Molecular Weight (g/mol): 46.025 MDL Number: MFCD00003297 InChI Key: BDAGIHXWWSANSR-UHFFFAOYSA-N Synonym: methanoic acid, formylic acid, aminic acid, bilorin, hydrogen carboxylic acid, formisoton, myrmicyl, formira, acide formique, collo-bueglatt PubChem CID: 284 ChEBI: CHEBI:30751 IUPAC Name: formic acid SMILES: C(=O)O 50ML Formic acid for mass spectrometry, ~98%

2,5LT ACETIC ACID,HPLC BAKER ANALYZED HPLC

CAS: 71-00-1 Molecular Formula: C6H9N3O2 Molecular Weight (g/mol): 155.157 InChI Key: HNDVDQJCIGZPNO-YFKPBYRVSA-N Synonym: l-histidine, histidine, h-his-oh, glyoxaline-5-alanine, anti-rheuma, l---histidine, istidina, s-histidine, l-histidin PubChem CID: 6274 ChEBI: CHEBI:15971 IUPAC Name: (2S)-2-amino-3-(1H-imidazol-5-yl)propanoic acid SMILES: C1=C(NC=N1)CC(C(=O)O)N 100GR L-HISTIDINE, USP,MULTI,GMP Multi-Compendial

500GR Ethylenediaminetetraacetic Acid, White Crystalline Powder,

SVAVELSYRA 2,5M (5N) 1L

50GR Ammonium formate eluent additive for LC-MS

100GR Citric acid monohydrate TraceSELECT , =99.9998% (metals basis)

CAS: 7664-93-9 Molecular Formula: H2O4S Molecular Weight (g/mol): 98.072 MDL Number: 64589 InChI Key: QAOWNCQODCNURD-UHFFFAOYSA-N Synonym: oil of vitriol, sulphuric acid, dihydrogen sulfate, mattling acid, battery acid, dipping acid, acide sulfurique, electrolyte acid, acidum sulfuricum, vitriol brown oil PubChem CID: 1118 ChEBI: CHEBI:26836 IUPAC Name: sulfuric acid SMILES: OS(=O)(=O)O 10LT Sulfuric acid solution 2M (4N), pure, Bench Reagent

2.5KG Citric acid monohydrate, Certified AR for analysis, meets Ph.Eur., USP

100MG POLY-D-LYSINE HYDROBROMIDE

50GR Ammonium acetate, Optima(TM) LC/MS grade

50ML Acetic acid eluent additive for LC-MS

CAS: 64-18-6 Molecular Formula: CH2O2 Molecular Weight (g/mol): 46.025 MDL Number: 3297 InChI Key: BDAGIHXWWSANSR-UHFFFAOYSA-N Synonym: methanoic acid, formylic acid, aminic acid, bilorin, hydrogen carboxylic acid, formisoton, myrmicyl, formira, acide formique, collo-bueglatt PubChem CID: 284 ChEBI: CHEBI:30751 IUPAC Name: formic acid SMILES: C(=O)O 2.5LT Formic acid, 98-100%, extra pure, SLR

N,N-Dimethylformamide, DMF, GC Headspa 1LT

CAS: 31175-20-9 Molecular Formula: C9HF17O5S Molecular Weight (g/mol): 544.135 MDL Number: MFCD00132790 InChI Key: FOYUGSIADQEOEK-UHFFFAOYSA-N Synonym: nafion, nafion nr 50 beads 10-35 mesh, perfluoro 2-2-sulfonylethoxy propyl vinyl ether-tetrafluoroethylene copolymer, tetrafluoroethylene-perfluoro 2-2-sulfonylethoxy propyl vinyl ether copolymer, 2-1-difluoro trifluoroethenyl oxy methyl-1,2,2,2-tetrafluoroethoxy-1,1,2,2-tetrafluoroethanesulfonyl fluoride-tetrafl, ethanesulfonic acid, 1,1,2,2-tetrafluoro-2-1,2,2-trifluoro-1-trifluoromethyl-2-1,2,2-trifluorovinyl oxy ethoxy-, pol, ethanesulfonic acid, 2-1-difluoro trifluoroethenyl oxy methyl-1,2,2,2-tetrafluoroethoxy-1,1,2,2-tetrafluoro-, polymer, nafion n-324 membrane, 0.15mm 0.006in thick, teflon fabric reinforced, nafion nre-212 membrane, 0.05mm thick, >=0.92 meq/g exchange capacity, nafion d-520 dispersion w/w in water and 1-propanol, >=1.00 meq/g exchange capacity PubChem CID: 61889 IUPAC Name: 1,1,2,2-tetrafluoroethene;1,1,2,2-tetrafluoro-2-[1,1,1,2,3,3-hexafluoro-3-(1,2,2-trifluoroethenoxy)propan-2-yl]oxyethanesulfonic acid SMILES: C(=C(F)F)(OC(C(C(F)(F)F)(OC(C(F)(F)S(=O)(=O)O)(F)F)F)(F)F)F.C(=C(F)F)(F)F NAFIONÐ MEMBRANE 0.180MM 60X60CM

CAS: 7664-93-9 Molecular Formula: H2O4S Molecular Weight (g/mol): 98.072 MDL Number: 64589 InChI Key: QAOWNCQODCNURD-UHFFFAOYSA-N Synonym: oil of vitriol, sulphuric acid, dihydrogen sulfate, mattling acid, battery acid, dipping acid, acide sulfurique, electrolyte acid, acidum sulfuricum, vitriol brown oil PubChem CID: 1118 ChEBI: CHEBI:26836 IUPAC Name: sulfuric acid SMILES: OS(=O)(=O)O 2.5LT Sulfuric acid solution 1M (2N), NIST standard solution ready to use, for volumetric analysis

CAS: 6381-92-6 Molecular Formula: C10H18N2Na2O10 Molecular Weight (g/mol): 372.238 InChI Key: OVBJJZOQPCKUOR-UHFFFAOYSA-L Synonym: edta disodium salt, cal-ex decalcifier, buffer solution, ph 10.00, sodium di ethylenediamine tetraacetate dihydrate, ethylenediamine tetraacetic acid, disodium salt dihydrate, ethylenediamine tetraacetic acid, disodium salt, standard solution, sodium di ethylenediamine tetraacetate standard solution, ethylenedinitrilo tetraacetic acid disodium, dihydrate, reagent, acs PubChem CID: 44120005 IUPAC Name: disodium;2-[2-[bis(carboxymethyl)amino]ethyl-(carboxylatomethyl)amino]acetate;dihydrate SMILES: C(CN(CC(=O)[O-])CC(=O)[O-])N(CC(=O)O)CC(=O)O.O.O.[Na+].[Na+] 500GR Ethylenediaminetetraacetic acid disodium salt dihydrate Reag. Ph. Eur., 99-101%,

CAS: 141-78-6 Molecular Formula: C4H8O2 Molecular Weight (g/mol): 88.106 MDL Number: 9171 InChI Key: XEKOWRVHYACXOJ-UHFFFAOYSA-N PubChem CID: 8857 ChEBI: CHEBI:27750 IUPAC Name: ethyl acetate SMILES: CCOC(=O)C 1LT Ethyl acetate 99.8+%, for residue analysis,Distol(TM)

25LT Acetic acid glacial, extra pure, SLR, meets analytical specification of Ph.Eur., BP, USP

CAS: 7664-93-9 Molecular Formula: H2O4S Molecular Weight (g/mol): 98.072 MDL Number: 64589 InChI Key: QAOWNCQODCNURD-UHFFFAOYSA-N Synonym: oil of vitriol, sulphuric acid, dihydrogen sulfate, mattling acid, battery acid, dipping acid, acide sulfurique, electrolyte acid, acidum sulfuricum, vitriol brown oil PubChem CID: 1118 ChEBI: CHEBI:26836 IUPAC Name: sulfuric acid SMILES: OS(=O)(=O)O 1LT Sulfuric acid min 95% d=1.83, Certified AR, for analysis