So 2179-57-9 is a valid CAS Registry Number. InChI:InChI=1/C8H12O4/c9-5-1-2-6(10)7-4(5)3-12-8(7)11/h4-7,9-10H,1-3H2 2179-57-9 Well-known Company Product Price Brand (Code)Product description CAS number Packaging Price Detail Alfa Aesar (L11106) Diallyl disulfide, tech....