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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
57-83-0 Progesterone
1336-21-6 Ammonia Solution, 32, Extra Pure
56-81-5 Glycerin
25322-68-3 PEG 1000 (Polyethylene glycol)
67-56-1 Aquastar Methanol, Anhydrous
1310-58-3 Potassium Hydroxide
67-63-0 2-Propanol
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
5949-29-1 Citric Acid
67-68-5 DMSO (Dimethyl sulfoxide)
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
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
123-31-9 Hydroquinone
9003-11-6 Poloxamer 124
7647-01-0 Hydrochloric Acid
7758-11-4 EMPROVE di-Potassium Hydrogen Phosphate, Anhydrous Low in Sodium
75-09-2 Dichloromethane
10034-99-8 EMPROVE Magnesium Sulfate, Heptahydrate, USP, BP, JP, Ph Eur
10035-04-8 Calcium Chloride
9005-65-6 Polysorbate 80
10049-21-5 MultiPharm Sodium Dihydrogen Phosphate, Monohydrate, USP, BP
142-82-5 DriSolv Heptane
110-54-3 Hexane
64-19-7 Acetic Acid
77-86-1 MultiPharm TRIS(Hydroxymethyl)Aminomethane (Trometamol), Endotoxin Tested, USP, BP, Ph Eur
50-23-7 Hydrocortisone
110-89-4 PIPERIDINE
58-85-5 Biotin
7778-77-0 Potassium Phosphate Monobasic
110-82-7 Cyclohexane
73590-58-6 Omeprazole
9002-89-5 PVA
50-99-7 D-()-Glucose
13410-01-0 Sodium Selenate
CAS Number CAS Name
7664-38-2 LookOut DNA Erase
94-09-7 Benzocaine
7558-80-7 Sodium Phosphate Monobasic
329-63-5 DLAdrenaline Hydrochloride
590-00-1 Potassium Sorbate
7553-56-2 AQUANALPLUS PHENOLS 0130 MGL REFILL PACK FOR 37427
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
50-21-5 DLLactic Acid
67-66-3 Chloroform
1310-45-8 Ferric Subsulfate
9004-54-0 Dextran
128-37-0 2,6Ditertbutylpcresol
7440-44-0 Darco G60
7664-39-3 Hydrofluoric Acid
298-14-6 EMPROVE Potassium Hydrogen Carbonate
100-97-0 Hexamethylenetetramine
126-14-7 OctaOacetyl DSucrose
9004-32-4 Carboxymethyl Cellulose Sodium
1303-96-4 Sodium Borate
1119-34-2 LArginine Hydrochloride
100-51-6 Benzyl Alcohol
7782-85-6 Sodium Phosphate Dibasic
872-50-4 1Methyl2Pyrrolidone
7704-34-9 Colloidal Sulfur Rubber Accelerator
12125-02-9 Ammonium Chloride
141-78-6 Ethyl Acetate
7447-40-7 EMPROVE Potassium Chloride, BP, FCC, Ph Eur, USP
10043-35-3 Boric Acid
646-06-0 1,3Dioxolane
77-92-9 Citric Acid
7365-45-9 242Hydroxyethyl1piperazinylethanesulfonic Acid
7664-93-9 Sulfuric Acid
7758-29-4 Sodium Tripolyphosphate
7087-68-5 N,NDiisopropylethylamine
497-76-7 Arbutin
8001-22-7 Soybean Oil
22071-15-4 Ketoprofen
7791-18-6 EMPROVE Magnesium Chloride, Hexahydrate, BP, FCC, Ph Eur, USP
7722-84-1 Hydrogen Peroxide
122-99-6 2Phenoxyethanol
8042-47-5 Mineral Oil
108-46-3 Resorcinol
9003-39-8 PVP Polyvinylpyrrolidone
532-32-1 EMPROVE Sodium Benzoate, NF, FCC, BP, Ph Eur
7681-49-4 MultiPharm Sodium Fluoride, USP, BP, Ph Eur
9005-64-5 Polysorbate 20
10025-77-1 Ferric Chloride
56-40-6 Glycine
7784-13-6 Aluminum Chloride, Hexahydrate