Biosafety classification is based on U.S. Public Health Service Guidelines, it is the responsibility of the customer to ensure that their facilities comply with biosafety regulations for their own country.
Yes

Doignon F, et al. Resistance to imidazoles and triazoles in Saccharomyces cerevisiae. Plasmid 30: 224-233, 1993. PubMed: 8302930 Nucleotide (GenBank) : Z48452 S. cerevisiae SLS1 gene
Nucleotide (GenBank) : X53998 S. cerevisiae URK1 gene for uridine kinase
Nucleotide (GenBank) : X68196 S. cerevisiae ura8 gene for CTP synthetase
Nucleotide (GenBank) : X76715 S. cerevisiae FL100 (ATCC 28383) SSM4 gene
Nucleotide (GenBank) : X59371 Yeast URA1 gene for dihydroorotic acid dehydrogenase
Nucleotide (GenBank) : Z27407 S. cerevisiae DNA for unidentified open reading frame
Nucleotide (GenBank) : X69216 S. cerevisiae (clone 37) RNR1 gene for ribonucleotide reductase
Nucleotide (GenBank) : X69217 S. cerevisiae (clone 85) RNR1 gene for ribonucleotide reductase
Nucleotide (GenBank) : M83295 S. cerevisiae dihydroorotic acid dehydrogenase (URA1)
Nucleotide (GenBank) : U24271 S. cerevisiae tetra hydrofolate reductase (MTR1) gene
Nucleotide (GenBank) : L26480 S. cerevisiae dimethyladenosine transferase (DIM1) gene
Nucleotide (GenBank) : M27174 S. cerevisiae carbamyl phosphate synthetase (URA2) gene
Nucleotide (GenBank) : M36485 S. cerevisiae uracil phosphoribosyltransferase (FUR1) gene
Complete Genome (GenBank) : AEWO00000000 Saccharomyces cerevisiae FL100, whole genome shotgun sequencing project
Doignon F, et al. Resistance to imidazoles and triazoles in Saccharomyces cerevisiae. Plasmid 30: 224-233, 1993. PubMed: 8302930
Lacroute F. Regulation of pyrimidine biosynthesis in Saccharomyces cerevisiae. J. Bacteriol. 95: 824-832, 1968. PubMed: 5651325
Doignon F, et al. Resistance to imidazoles and triazoles in Saccharomyces cerevisiae. Plasmid 30: 224-233, 1993. PubMed: 8302930
