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CAS Numbers

The Chemical Abstracts Service (CAS) has developed a registry of unique numeric identifiers, The CAS Numbers or CAS Registry Numbers , for more than 73 million organic and inorganic substances including compounds, metals, alloys, minerals, organometalics, elements, isotopes and biochemicals. Each number represents only one substance and has no chemical significance but serves solely as an internationally observed substance identifier by scientists, industry and regulatory organizations. A CAS Registry Number contains up to 10 digits, divided by hyphens into three parts with right most digit a check digit. Shown below are fifty (50) of the most popular CAS numbers contained within the Spectrum Chemical product offering along with the CAS number’s chemical name. By clicking on the either the CAS Number or Chemical Name you will be taken to a page which displays all products that have that unique chemical substance. You may also search by CAS number using the numerical 1 -9 links or by using alphabetical listings A – Z links.

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CAS Number CAS Name
64-17-5 Ethyl Alcohol
10043-52-4 Calcium Chloride
75-05-8 ACETONITRILE AH
1336-21-6 Ammonia Solution, 32, Extra Pure
56-81-5 Glycerin
25322-68-3 PEG 1000 (Polyethylene glycol)
57-83-0 Progesterone
67-56-1 Aquastar Methanol, Anhydrous
67-63-0 2-Propanol
1310-58-3 Potassium Hydroxide
6155-57-3 Sodium Saccharin
67-64-1 Acetone
7697-37-2 Nitric Acid
7732-18-5 ACS Reagent Grade Water, meets ASTM Type I and Type II Specifications
68-35-9 Sulfadiazine
7681-52-9 Sodium Hypochlorite
6381-92-6 (Ethylenedinitrilo)tetraacetic Acid Disodium
50-81-7 Ascorbic Acid
1310-73-2 Ascarite II, 20-30 Mesh
7681-11-0 GOLD ETCHANT, STANDARD
67-68-5 DMSO (Dimethyl sulfoxide)
5949-29-1 Citric Acid
7647-14-5 EMPROVE Sodium Chloride, Low in Endotoxins, USP, BP, JP, Ph Eur
7761-88-8 Silver Nitrate
151-21-3 Dodecyl Sodium Sulfate
123-31-9 Hydroquinone
102-71-6 Trolamine
7558-79-4 EMPROVE di-Sodium Hydrogen Phosphate, Anhydrous, USP, BP, Ph Eur
57-55-6 1,2-Propanediol
109-99-9 DriSolv Tetrahydrofuran, Anhydrous, Septum-Sealed Bottle
9003-11-6 Poloxamer 124
7647-01-0 Hydrochloric Acid
7758-11-4 EMPROVE di-Potassium Hydrogen Phosphate, Anhydrous Low in Sodium
10035-04-8 Calcium Chloride
10034-99-8 EMPROVE Magnesium Sulfate, Heptahydrate, USP, BP, JP, Ph Eur
75-09-2 Dichloromethane
9005-65-6 Polysorbate 80
10049-21-5 MultiPharm Sodium Dihydrogen Phosphate, Monohydrate, USP, BP
142-82-5 DriSolv Heptane
110-54-3 Hexane
77-86-1 MultiPharm TRIS(Hydroxymethyl)Aminomethane (Trometamol), Endotoxin Tested, USP, BP, Ph Eur
64-19-7 Acetic Acid
50-99-7 D-()-Glucose
9002-89-5 PVA
110-89-4 PIPERIDINE
7778-77-0 Potassium Phosphate Monobasic
50-23-7 Hydrocortisone
58-85-5 Biotin
110-82-7 Cyclohexane
73590-58-6 Omeprazole
CAS Number CAS Name
7664-38-2 LookOut DNA Erase
13410-01-0 Sodium Selenate
7558-80-7 Sodium Phosphate Monobasic
50-21-5 DLLactic Acid
94-09-7 Benzocaine
7553-56-2 AQUANALPLUS PHENOLS 0130 MGL REFILL PACK FOR 37427
329-63-5 DLAdrenaline Hydrochloride
1310-45-8 Ferric Subsulfate
67-66-3 Chloroform
7646-85-7 EMPROVE Zinc Chloride, Extra Pure, USP, Ph Eur, BP, JP
7757-82-6 MultiPharm Sodium Sulfate Anhydrous, Extra Pure, USP, BP, Ph Eur
9004-54-0 Dextran
128-37-0 2,6Ditertbutylpcresol
7440-44-0 Darco G60
298-14-6 EMPROVE Potassium Hydrogen Carbonate
7664-39-3 Hydrofluoric Acid
100-97-0 Hexamethylenetetramine
126-14-7 OctaOacetyl DSucrose
9004-32-4 Carboxymethyl Cellulose Sodium
1119-34-2 LArginine Hydrochloride
1303-96-4 Sodium Borate
7782-85-6 Sodium Phosphate Dibasic
100-51-6 Benzyl Alcohol
65-28-1 Phentolamine Mesylate
7704-34-9 Colloidal Sulfur Rubber Accelerator
872-50-4 1Methyl2Pyrrolidone
7447-40-7 EMPROVE Potassium Chloride, BP, FCC, Ph Eur, USP
141-78-6 Ethyl Acetate
12125-02-9 Ammonium Chloride
10043-35-3 Boric Acid
9003-39-8 PVP Polyvinylpyrrolidone
7365-45-9 242Hydroxyethyl1piperazinylethanesulfonic Acid
77-92-9 Citric Acid
7664-93-9 Sulfuric Acid
646-06-0 1,3Dioxolane
7758-29-4 Sodium Tripolyphosphate
8001-22-7 Soybean Oil
8042-47-5 Mineral Oil
7087-68-5 N,NDiisopropylethylamine
7791-18-6 EMPROVE Magnesium Chloride, Hexahydrate, BP, FCC, Ph Eur, USP
7722-84-1 Hydrogen Peroxide
497-76-7 Arbutin
22071-15-4 Ketoprofen
108-46-3 Resorcinol
122-99-6 2Phenoxyethanol
532-32-1 EMPROVE Sodium Benzoate, NF, FCC, BP, Ph Eur
590-00-1 Potassium Sorbate
7784-13-6 Aluminum Chloride, Hexahydrate
7681-49-4 MultiPharm Sodium Fluoride, USP, BP, Ph Eur
56-40-6 Glycine