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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
25322-68-3 PEG 1000 (Polyethylene glycol)
1336-21-6 Ammonia Solution, 32, Extra Pure
67-56-1 Aquastar Methanol, Anhydrous
57-83-0 Progesterone
1310-58-3 Potassium Hydroxide
7732-18-5 ACS Reagent Grade Water, meets ASTM Type I and Type II Specifications
7697-37-2 Nitric Acid
6155-57-3 Sodium Saccharin
123-31-9 Hydroquinone
7681-52-9 Sodium Hypochlorite
67-64-1 Acetone
68-35-9 Sulfadiazine
6381-92-6 (Ethylenedinitrilo)tetraacetic Acid Disodium
1310-73-2 Ascarite II, 20-30 Mesh
67-68-5 DMSO (Dimethyl sulfoxide)
7681-11-0 GOLD ETCHANT, STANDARD
50-81-7 Ascorbic Acid
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
77-86-1 MultiPharm TRIS(Hydroxymethyl)Aminomethane (Trometamol), Endotoxin Tested, USP, BP, Ph Eur
7647-01-0 Diluted Hydrochloric Acid
10035-04-8 Calcium Chloride
7758-11-4 EMPROVE di-Potassium Hydrogen Phosphate, Anhydrous Low in Sodium
50-01-1 Guanidine Hydrochloride
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
50-99-7 D-()-Glucose
7778-77-0 Potassium Phosphate Monobasic
142-82-5 DriSolv Heptane
64-19-7 Acetic Acid
7558-80-7 Sodium Phosphate Monobasic
110-54-3 Hexane
58-85-5 Biotin
7664-38-2 LookOut DNA Erase
50-21-5 DL-Lactic Acid
1119-34-2 L-()-Arginine Hydrochloride
CAS Number CAS Name
50-23-7 Hydrocortisone
9002-89-5 PVA
110-89-4 PIPERIDINE
65-28-1 Phentolamine Mesylate
110-82-7 Cyclohexane
13410-01-0 Sodium Selenate
329-63-5 DLAdrenaline Hydrochloride
7553-56-2 AQUANALPLUS PHENOLS 0130 MGL REFILL PACK FOR 37427
94-09-7 Benzocaine
7440-44-0 Darco G60
128-37-0 2,6Ditertbutylpcresol
73590-58-6 Omeprazole
298-14-6 EMPROVE Potassium Hydrogen Carbonate
7646-85-7 EMPROVE Zinc Chloride, Extra Pure, USP, Ph Eur, BP, JP
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
7782-85-6 Sodium Phosphate Dibasic
7704-34-9 Colloidal Sulfur Rubber Accelerator
9004-32-4 Carboxymethyl Cellulose Sodium
100-97-0 Hexamethylenetetramine
100-51-6 Benzyl Alcohol
7447-40-7 EMPROVE Potassium Chloride, BP, FCC, Ph Eur, USP
126-14-7 OctaOacetyl DSucrose
7087-68-5 N,NDiisopropylethylamine
7722-84-1 Hydrogen Peroxide
1303-96-4 Sodium Borate
7365-45-9 242Hydroxyethyl1piperazinylethanesulfonic Acid
8001-30-7 Corn Oil
8042-47-5 Mineral Oil
7791-18-6 EMPROVE Magnesium Chloride, Hexahydrate, BP, FCC, Ph Eur, USP
77-92-9 Citric Acid
590-00-1 Potassium Sorbate
9003-39-8 PVP Polyvinylpyrrolidone
7758-29-4 Sodium Tripolyphosphate
7664-93-9 50 Sulfuric Acid ACS solution with WFI USP vv
141-78-6 Ethyl Acetate
56-40-6 Glycine
872-50-4 1Methyl2Pyrrolidone
12125-02-9 Ammonium Chloride
10043-35-3 Boric Acid
113-24-6 Pyruvic acid, sodium salt
8001-22-7 Soybean Oil
9005-64-5 Polysorbate 20
7784-13-6 Aluminum Chloride, Hexahydrate
532-32-1 EMPROVE Sodium Benzoate, NF, FCC, BP, Ph Eur
57-15-8 Chlorobutanol
7681-49-4 MultiPharm Sodium Fluoride, USP, BP, Ph Eur