Sub Group: Standards - 13C & 2H for GC-Mass Spectrometry Catalog Number: D14331 Enrichment: 98% d17 Chemical Purity: 96.8% Also available: Chemical purity of 99% for $3500 (5 mg); Lead time: 5-6 weeks. Formula: C12HOD17 CAS Number: 2078-54-8 (non-d) M