Yini i-CAS? I-CAS imele i-Chemical Abstracts Service, isizindalwazi esigunyaziwe esakhiwe yi-American Chemical Society (ACS.) Inombolo ye-CAS, noma inombolo yokubhalisa ye-CAS, iyinkomba yenombolo eyingqayizivele esetshenziselwa ukumaka izinto zamakhemikhali, izinhlanganisela, ukulandelana kwebhayoloji, ama-polymers, nokunye. . Ekhemini...
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