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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
67-63-0 2-Propanol
56-81-5 Glycerin
1336-21-6 Ammonia Solution, 32, Extra Pure
25322-68-3 PEG 1000 (Polyethylene glycol)
67-56-1 Aquastar Methanol, Anhydrous
57-83-0 Progesterone
1310-58-3 Potassium Hydroxide
6155-57-3 Sodium Saccharin
7697-37-2 Nitric Acid
7732-18-5 ACS Reagent Grade Water, meets ASTM Type I and Type II Specifications
67-64-1 Acetone
7681-52-9 Sodium Hypochlorite
68-35-9 Sulfadiazine
123-31-9 Hydroquinone
6381-92-6 (Ethylenedinitrilo)tetraacetic Acid Disodium
1310-73-2 Ascarite II, 20-30 Mesh
50-81-7 Ascorbic Acid
7681-11-0 GOLD ETCHANT, STANDARD
67-68-5 DMSO (Dimethyl sulfoxide)
7647-14-5 EMPROVE Sodium Chloride, Low in Endotoxins, USP, BP, JP, Ph Eur
5949-29-1 Citric Acid
7761-88-8 Silver Nitrate
102-71-6 Trolamine
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
9003-11-6 Poloxamer 124
7647-01-0 Diluted 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
9005-65-6 Polysorbate 80
75-09-2 Dichloromethane
10049-21-5 MultiPharm Sodium Dihydrogen Phosphate, Monohydrate, USP, BP
142-82-5 DriSolv Heptane
50-99-7 D-()-Glucose
77-86-1 MultiPharm TRIS(Hydroxymethyl)Aminomethane (Trometamol), Endotoxin Tested, USP, BP, Ph Eur
110-54-3 Hexane
64-19-7 Acetic Acid
9002-89-5 PVA
50-23-7 Hydrocortisone
7778-77-0 Potassium Phosphate Monobasic
58-85-5 Biotin
7664-38-2 LookOut DNA Erase
110-89-4 PIPERIDINE
110-82-7 Cyclohexane
CAS Number CAS Name
7558-80-7 Sodium Phosphate Monobasic
73590-58-6 Omeprazole
50-21-5 DLLactic Acid
13410-01-0 Sodium Selenate
7553-56-2 AQUANALPLUS PHENOLS 0130 MGL REFILL PACK FOR 37427
94-09-7 Benzocaine
329-63-5 DLAdrenaline Hydrochloride
65-28-1 Phentolamine Mesylate
7440-44-0 Darco G60
128-37-0 2,6Ditertbutylpcresol
7646-85-7 EMPROVE Zinc Chloride, Extra Pure, USP, Ph Eur, BP, JP
298-14-6 EMPROVE Potassium Hydrogen Carbonate
67-66-3 Chloroform
9004-54-0 Dextran
1310-45-8 Ferric Subsulfate
7757-82-6 MultiPharm Sodium Sulfate Anhydrous, Extra Pure, USP, BP, Ph Eur
7664-39-3 Hydrofluoric Acid
126-14-7 OctaOacetyl DSucrose
100-97-0 Hexamethylenetetramine
9004-32-4 Carboxymethyl Cellulose Sodium
1119-34-2 LArginine Hydrochloride
7782-85-6 Sodium Phosphate Dibasic
7722-84-1 Hydrogen Peroxide
1303-96-4 Sodium Borate
100-51-6 Benzyl Alcohol
7704-34-9 Colloidal Sulfur Rubber Accelerator
7447-40-7 EMPROVE Potassium Chloride, BP, FCC, Ph Eur, USP
141-78-6 Ethyl Acetate
77-92-9 Citric Acid
872-50-4 1Methyl2Pyrrolidone
7758-29-4 Sodium Tripolyphosphate
12125-02-9 Ammonium Chloride
9003-39-8 PVP Polyvinylpyrrolidone
7365-45-9 242Hydroxyethyl1piperazinylethanesulfonic Acid
7664-93-9 Sulfuric Acid
7791-18-6 EMPROVE Magnesium Chloride, Hexahydrate, BP, FCC, Ph Eur, USP
10043-35-3 Boric Acid
113-24-6 Pyruvic acid, sodium salt
8001-22-7 Soybean Oil
8042-47-5 Mineral Oil
7087-68-5 N,NDiisopropylethylamine
56-40-6 Glycine
590-00-1 Potassium Sorbate
646-06-0 1,3Dioxolane
532-32-1 EMPROVE Sodium Benzoate, NF, FCC, BP, Ph Eur
497-76-7 Arbutin
108-46-3 Resorcinol
7784-13-6 Aluminum Chloride, Hexahydrate
22071-15-4 Ketoprofen
134-03-2 Sodium Ascorbate