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![Tetramethyl-1,3-cyclobutanedione [Precursor to Dimethyl Ketene]](/medias/D0258.jpg?context=bWFzdGVyfHJvb3R8Mzc5NTJ8aW1hZ2UvanBlZ3xhREU0TDJnMlpDODRPVEk1TnpNek1UZ3hORGN3TDBRd01qVTRMbXB3Wnd8NjdhY2U2Y2Q5OTBlMmI4ZjA2YmEyN2Y5NzI1NWRjYTk5N2Y5NTllNDA0NGUxODhlNjk3ZmZiNGQ0YWE0OTAxOA "Tetramethyl-1,3-cyclobutanedione [Precursor to Dimethyl Ketene]")
| Product Number | D0258 |
| CAS RN | 933-52-8 |
| Purity / Analysis Method: | >99.0%(GC) |
| Product Number | G0102 |
| CAS RN | 623-33-6 |
| Purity / Analysis Method: | >99.0%(T) |
Chemical Substance Law (ENCS): 2-1200
![Dicyclopentadiene (stabilized with BHT) [precursor to Cyclopentadiene]](/medias/D0443.jpg?context=bWFzdGVyfHJvb3R8MzEzNjR8aW1hZ2UvanBlZ3xhRFEyTDJnM055ODRPVEk1TnpRek56azRNekF5TDBRd05EUXpMbXB3Wnd8ZmY4ZTFlMjJiY2E1NmM3MDk5MzA5OTcyNDQ3ZDM0OTFiOWIxNmNlYzkwNmEwOWMyYmExNzA5NzI2NDk5ODI0OQ "Dicyclopentadiene (stabilized with BHT) [precursor to Cyclopentadiene]")
| Product Number | D0443 |
| CAS RN | 77-73-6 |
| Purity / Analysis Method: | >97.0%(GC) |
Chemical Substance Law (ENCS): 4-634
| Priority Assessment Chemical Substance
| Product Number | T0107 |
| CAS RN | 119-64-2 |
| Purity / Analysis Method: | >97.0%(GC) |
Chemical Substance Law (ENCS): 4-574
![N-Methyl-N-nitroso-p-toluenesulfonamide [Precursor to Diazomethane]](/medias/T0323.jpg?context=bWFzdGVyfHJvb3R8MzA0NTh8aW1hZ2UvanBlZ3xhREUwTDJnd1l5ODRPVE15TXpRNU1qUTNOVEU0TDFRd016SXpMbXB3Wnd8ZTk0NzRjNzg5NjRjMjcyZDk4NTc4MjUwY2QwNzY0Y2YzN2E0NGQyMTk3YWE4YWMwYmZkOGVjZWQ1M2E4MDA4Ng "N-Methyl-N-nitroso-p-toluenesulfonamide [Precursor to Diazomethane]")
| Product Number | T0323 |
| CAS RN | 80-11-5 |
| Purity / Analysis Method: | >95.0%(T) |
| Product Number | C0006 |
| CAS RN | 156-62-7 |
| Purity / Analysis Method: |
Chemical Substance Law (ENCS): 1-121
Product Number: D0258 |
Purity / Analysis Method:
>99.0%(GC)
Product Number: G0102 |
Purity / Analysis Method:
>99.0%(T)| Chemical Substance Law (ENCS): 2-1200
Product Number: D0443 |
Purity / Analysis Method:
>97.0%(GC)| Chemical Substance Law (ENCS): 4-634
| Priority Assessment Chemical Substance
Product Number: T0107 |
Purity / Analysis Method:
>97.0%(GC)| Chemical Substance Law (ENCS): 4-574
Product Number: T0323 |
Purity / Analysis Method:
>95.0%(T)
Product Number: C0006 |
Purity / Analysis Method:
| Chemical Substance Law (ENCS): 1-121
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