Compound List Acetaldehyde-2,4-DNPH (1019-57-4) Acetone-2,4-DNPH (1567-89-1) Acrolein-2,4-DNPH (888-54-0) Benzaldehyde-2,4-DNPH (1157-84-2) n-Butyraldehyde-2,4-DNPH (1527-98-6) Crotonaldehyde-2,4-DNPH (1527-96-4) Formaldehyde-2,4-DNPH (1081-15-8) Hexaldehyde-2,4-DNPH (1527-97-5)…

Compound List Acrolein (107-02-8) This product has a limited shelf life. We recommend that you order only the ampul quantity that meets your immediate needs. NOTE: Store standards under frozen conditions (0°C or colder). We recommend you store ampuls lying flat (horizontally) to…

Contains the seven hormones listed in EPA Method 539 at the appropriate concentrations. Also available: UCMR3 Method 539 calibration standard with concentrations of 10–400 µg/mL to more conveniently match UCMR3 requirements (cat.# 32461). Compound List 4-Androstene-3,17-dione…

Compound List 1,3,5-Trichlorobenzene (108-70-3)

Compound List 4,6-Dinitro-2-methylphenol (Dinitro-o-cresol) (534-52-1)

Restek chemists became the first to combine the speed of superficially porous particles (also known as SPP or “core-shell” particles) with the resolution of highly selective USLC technology. This new breed of chromatographic column allows you to more easily achieve peak separation and…

Compound List Acetonitrile (75-05-8), 410 µg/mL Chloroform (67-66-3), 60 µg/mL 1,2-Dimethoxyethane (110-71-4), 100 µg/mL N,N-Dimethylacetamide (127-19-5), 1,090 µg/mL 1,4-Dioxane (123-91-1), 380 µg/mL 2-Hexanone (591-78-6), 50 µg/mL Methanol (67-56-1), 3,000 µg/mL Nitromethane (75-52-5), 50 µg/mL…

Full 82-component EPA 524.3 list using as few as three ampuls—reduce prep time and chances for error or contamination. EPA 524.3 VOA MegaMix ampul includes oxygenates group—no need to order separately. Volatile gases prepared separately—replace shorter-life components…

Meet Stage 1 requirements for US EPA Methods 552, 552.1 and 552.2. Meet requirements for Stage 2 DBPR. Prepared from purified neat reference materials for the highest quality. Lot-to-lot consistency ensures analytical reproducibility. Compound List Bromochloroacetic acid (5589-96-8),…

Compound List Acenaphthene (83-32-9) Acenaphthylene (208-96-8) Anthracene (120-12-7) Benz(a)anthracene (56-55-3) Benzo(a)pyrene (50-32-8) Benzo(b)fluoranthene (205-99-2) Benzo(ghi)perylene (191-24-2) Benzo(k)fluoranthene (207-08-9) Chrysene (218-01-9) Dibenz(a,h)anthracene (53-70-3) Fluoranthene…

Compound List Acenaphthylene (208-96-8) Anthracene (120-12-7) Benz(a)anthracene (56-55-3) Benzo(a)pyrene (50-32-8) Benzo(b)fluoranthene (205-99-2) Benzo(ghi)perylene (191-24-2) Benzo(k)fluoranthene (207-08-9) Benzyl butyl phthalate (85-68-7) Bis(2-ethylhexyl)adipate (103-23-1)…

Compound List Benzo(j)fluoranthene (205-82-3) Dibenz(a,h)acridine (226-36-8) Dibenz(a,j)acridine (224-42-0) 7H-Dibenzo(c,g)carbazole (194-59-2) Dibenzo(a,e)pyrene (192-65-4) Dibenzo(a,h)pyrene (189-64-0) Dibenzo(a,i)pyrene (189-55-9) 3-Methylcholanthrene (56-49-5)

Compound List Acenaphthene (83-32-9) Acenaphthylene (208-96-8) Anthracene (120-12-7) Benz(a)anthracene (56-55-3) Benzo(a)pyrene (50-32-8) Benzo(b)fluoranthene (205-99-2) Benzo(ghi)perylene (191-24-2) Benzo(k)fluoranthene (207-08-9) Chrysene (218-01-9) Dibenz(a,h)anthracene (53-70-3) Fluoranthene…

Compound List PCB 18 (37680-65-2), 50 µg/mL PCB 28 (7012-37-5), 50 µg/mL PCB 52 (35693-99-3), 50 µg/mL Triphenylmethane (519-73-3), 10 µg/mL Triphenylphosphate (115-86-6), 20 µg/mL Tris-(1,3-dichloroisopropyl)phosphate (13674-87-8), 50 µg/mL

Compound List Benzene (71-43-2), 2.4% vol/vol 2-Butanol (sec-butyl alcohol) (78-92-2), 4% vol/vol Toluene (108-88-3), 14.4% vol/vol

Supports ASTM Methods D2887, D6352, D7169, D7398, and D7500. These high molecular weight hydrocarbon waxes are useful for simulated distillation and other high-temperature GC work.

Compound List 2,2,2-Trichloroethanol (115-20-8)

Compound List Chain, Compound (CAS#), % by Weight C18:1 trans-9 Methyl elaidate (2462-84-2), 10% C18:2 cis-9,12 Methyl linoleate (112-63-0), 20% C18:1 cis-9 Methyl oleate (112-62-9), 10% C18:1 cis-6 Methyl petroselinate (2777-58-4), 8% C18:1 trans-6 Methyl petroselaidate (14620-36-1), 8% C18:0…

Compound List Acetone (67-64-1)

Compound List (C10) n-Decane (124-18-5) (C12) n-Dodecane (112-40-3) (C16) n-Hexadecane (544-76-3) (C21) n-Heneicosane (629-94-7) (C28) n-Octacosane (630-02-4) (C32) n-Dotriacontane (544-85-4) Acenaphthene (83-32-9) Anthracene (120-12-7) Benzo(a)pyrene (50-32-8) Chrysene (218-01-9) Naphthalene (91-20-3)

Compound List 2-Chloronaphthalene (91-58-7)

Includes methyl acetate and n-amyl acetate. Contains 7 acetates. Compound List n-Amyl acetate (628-63-7) Butyl acetate (123-86-4) Ethyl acetate (141-78-6) Isopropyl acetate (108-21-4) Methyl acetate (79-20-9) Propyl acetate (109-60-4) Vinyl acetate (108-05-4)

Compound List 2,4-Dichlorophenylacetic acid (2,4-DCAA) (19719-28-9) Conc. in Solvent and Volume: 1,000 µg/mL in acetone, 1 mL/ampul

The United States Pharmacopeia (USP) General Chapter <467> Residual Solvents is a widely used compendial method intended for identifying and quantifying residual solvents in drug substances, drug products, and excipients. In an attempt to better mirror the International Conference on…

Compound List (C10) n-Decane (124-18-5), 280 µg/mL (C10:0) Methyl decanoate (110-42-9), 420 µg/mL (C11) n-Undecane (1120-21-4), 280 µg/mL (C11:0) Methyl undecanoate (1731-86-8), 420 µg/mL (C12:0) Methyl dodecanoate, 420 µg/mL L(+)-2,3-Butanediol (19132-06-0), 530 µg/mL 2,6-Dimethylaniline…

Compound List Pyrene (129-00-0)

Compound List Endrin ketone (53494-70-5)

Compound List Chain, Compound (CAS#), % by Weight C4:0 Methyl butyrate (623-42-7), 4% C6:0 Methyl caproate (106-70-7), 4% C8:0 Methyl caprylate (111-11-5), 4% C10:0 Methyl decanoate (110-42-9), 4% C11:0 Methyl undecanoate (1731-86-8), 2% C12:0 Methyl dodecanoate (111-82-0), 4% C13:0 Methyl…

Compound List (C13) n-Tridecane (629-50-5) (C14) n-Tetradecane (629-59-4) 4-Chlorophenol (106-48-9) Dicyclohexylamine (101-83-7) 2-Ethylhexanoic acid (149-57-5) 1,6-Hexanediol (629-11-8) 1-Methylnaphthalene (90-12-0) 1-Undecanol (112-42-5)

Compound List Acenaphthene (83-32-9), 1,000 µg/mL Acenaphthylene (208-96-8), 2,000 µg/mL Anthracene (120-12-7), 100 µg/mL Benz(a)anthracene (56-55-3), 100 µg/mL Benzo(a)pyrene (50-32-8), 100 µg/mL Benzo(b)fluoranthene (205-99-2), 200 µg/mL Benzo(k)fluoranthene (207-08-9), 100 µg/mL…

Accurately identify and quantify pesticide residues by GC-MS/MS in fruits, vegetables, botanicals, and herbals such as tea, ginseng, ginger, echinacea, and dietary supplements. Formulated and grouped for maximum long-term stability*. Quantitatively tested to confirm composition; detailed…

Compound List (C6) n-Hexane (110-54-3) (C7) n-Heptane (142-82-5) (C8) n-Octane (111-65-9) (C9) n-Nonane (111-84-2)