Please explain CASRN numbers

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Les

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Jan 22, 2003
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Could someone please explain the CASRN numbers to me and/or tell me some place were I can look up several that I got off of some MSDS's. For instance, the Xw-50 oils that I am looking at have CASRN numbers that are somewhat different than the Xw-30's. Examples: 10-30 CASRN 68037-01-4, 64742-54-7, 92062-09-4, 68649-12-7, 64741-88-4 5w-40 CASRN 68037-01-4, 64742-54-7, 64742-65-0, 68649-12-7, 64741-88-4, 72623-87-1, 92062-09-4 20w-50 CASRN 64741-51-1, 64742-54-7, 92062-09-4, 151006-62-1, 151006-63-2 Les
 
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