mazda oil

For 10 yrs I have put only their oil w/Moly bought in case of 12 from Med Center. Now - no more and ended up getting scammed by a company metro24 who said they have the old one but sent me the new one. I know how my engine sounds, behaves, etc. Now that I put this new one - engine "growling...

After much searching, I have no answers. Can someone tell me if this Mazda motor oil part #0000-77-5W30-QT is conventional oil, synthetic blend, or full synthetic?