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(R)-1-PeCSO, also known as trans-(+)-S-1-Propenyl-L-cysteine sulfoxide, constitutes the primary flavor precursor in onions [1].

| Pack Size | Price | Availability | Quantity | 
|---|---|---|---|
| 5 mg | Inquiry | Backorder | |
| 50 mg | Inquiry | Backorder | 
| Description | (R)-1-PeCSO, also known as trans-(+)-S-1-Propenyl-L-cysteine sulfoxide, constitutes the primary flavor precursor in onions [1].  | 
| Synonyms | trans-(+)-S-1-Propenyl-L-cysteine sulfoxide, Isoalliin | 
| Molecular Weight | 177.22 | 
| Formula | C6H11NO3S | 
| Cas No. | 16718-23-3 | 
| Storage | Powder: -20°C for 3 years | In solvent: -80°C for 1 year | Shipping with blue ice/Shipping at ambient temperature. | 

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