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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
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 Isopropyl Alcohol
6155-57-3 Sodium Saccharin
68-35-9 Sulfadiazine
67-64-1 Acetone
7697-37-2 Nitric Acid
7732-18-5 ACS Reagent Grade Water, meets ASTM Type I and Type II Specifications
7681-52-9 Sodium Hypochlorite
6381-92-6 (Ethylenedinitrilo)tetraacetic Acid Disodium
50-81-7 Ascorbic Acid
1310-73-2 Ascarite II, 8-20 Mesh
5949-29-1 Citric Acid
7647-14-5 Sodium Chloride
67-68-5 DMSO (Dimethyl sulfoxide)
7761-88-8 Silver Nitrate
102-71-6 Trolamine
151-21-3 Dodecyl Sodium Sulfate
7558-79-4 Sodium Phosphate Dibasic
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 Potassium Phosphate Dibasic
123-31-9 Hydroquinone
75-09-2 Dichloromethane
10034-99-8 EMPROVE Magnesium Sulfate, Heptahydrate, USP, BP, JP, Ph Eur
10035-04-8 Calcium Chloride
142-82-5 Heptane
10049-21-5 Sodium Phosphate Monobasic
9005-65-6 Polysorbate 80
110-54-3 Hexane
50-23-7 Hydrocortisone
77-86-1 MultiPharm TRIS(Hydroxymethyl)Aminomethane (Trometamol), Endotoxin Tested, USP, BP, Ph Eur
64-19-7 Acetic Acid
73590-58-6 Omeprazole
110-82-7 Cyclohexane
58-85-5 Biotin
7778-77-0 Potassium Phosphate Monobasic
50-99-7 D-()-Glucose
13410-01-0 Sodium Selenate