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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
7732-18-5 ACS Reagent Grade Water, meets ASTM Type I and Type II Specifications
7697-37-2 Nitric Acid
123-31-9 Hydroquinone
67-64-1 Acetone
7681-52-9 Sodium Hypochlorite
68-35-9 Sulfadiazine
6381-92-6 (Ethylenedinitrilo)tetraacetic Acid Disodium
1310-73-2 Ascarite II, 20-30 Mesh
50-81-7 Ascorbic Acid
67-68-5 DMSO (Dimethyl sulfoxide)
7681-11-0 GOLD ETCHANT, STANDARD
7647-14-5 EMPROVE Sodium Chloride, Low in Endotoxins, USP, BP, JP, Ph Eur
5949-29-1 Citric Acid
102-71-6 Trolamine
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
9003-11-6 Poloxamer 124
7647-01-0 Diluted Hydrochloric Acid
10035-04-8 Calcium Chloride
7758-11-4 EMPROVE di-Potassium Hydrogen Phosphate, Anhydrous Low in Sodium
9005-65-6 Polysorbate 80
10034-99-8 EMPROVE Magnesium Sulfate, Heptahydrate, USP, BP, JP, Ph Eur
75-09-2 Dichloromethane
10049-21-5 MultiPharm Sodium Dihydrogen Phosphate, Monohydrate, USP, BP
142-82-5 DriSolv Heptane
50-99-7 D-()-Glucose
7778-77-0 Potassium Phosphate Monobasic
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
7664-38-2 LookOut DNA Erase
58-85-5 Biotin
110-89-4 PIPERIDINE
7558-80-7 Sodium Phosphate Monobasic
CAS Number CAS Name
110-82-7 Cyclohexane
50-01-1 Guanidine Hydrochloride
50-21-5 DLLactic Acid
13410-01-0 Sodium Selenate
65-28-1 Phentolamine Mesylate
73590-58-6 Omeprazole
7553-56-2 AQUANALPLUS PHENOLS 0130 MGL REFILL PACK FOR 37427
329-63-5 DLAdrenaline Hydrochloride
128-37-0 2,6Ditertbutylpcresol
1119-34-2 LArginine Hydrochloride
94-09-7 Benzocaine
7440-44-0 Darco G60
7646-85-7 EMPROVE Zinc Chloride, Extra Pure, USP, Ph Eur, BP, JP
298-14-6 EMPROVE Potassium Hydrogen Carbonate
9004-54-0 Dextran
67-66-3 Chloroform
1310-45-8 Ferric Subsulfate
7757-82-6 MultiPharm Sodium Sulfate Anhydrous, Extra Pure, USP, BP, Ph Eur
7664-39-3 Hydrofluoric Acid
9004-32-4 Carboxymethyl Cellulose Sodium
100-97-0 Hexamethylenetetramine
126-14-7 OctaOacetyl DSucrose
7782-85-6 Sodium Phosphate Dibasic
7722-84-1 Hydrogen Peroxide
7704-34-9 Colloidal Sulfur Rubber Accelerator
100-51-6 Benzyl Alcohol
1303-96-4 Sodium Borate
7447-40-7 EMPROVE Potassium Chloride, BP, FCC, Ph Eur, USP
7087-68-5 N,NDiisopropylethylamine
77-92-9 Citric Acid
7758-29-4 Sodium Tripolyphosphate
7791-18-6 EMPROVE Magnesium Chloride, Hexahydrate, BP, FCC, Ph Eur, USP
9003-39-8 PVP Polyvinylpyrrolidone
141-78-6 Ethyl Acetate
872-50-4 1Methyl2Pyrrolidone
7664-93-9 50 Sulfuric Acid ACS solution with WFI USP VV
8042-47-5 Mineral Oil
10043-35-3 Boric Acid
12125-02-9 Ammonium Chloride
7365-45-9 242Hydroxyethyl1piperazinylethanesulfonic Acid
8001-22-7 Soybean Oil
56-40-6 Glycine
113-24-6 Pyruvic acid, sodium salt
590-00-1 Potassium Sorbate
532-32-1 EMPROVE Sodium Benzoate, NF, FCC, BP, Ph Eur
9005-64-5 Polysorbate 20
646-06-0 1,3Dioxolane
134-03-2 Sodium Ascorbate
7784-13-6 Aluminum Chloride, Hexahydrate
497-76-7 Arbutin