tetradecanedioic acid CAS NO.: 821-38-5 spec.: total acid: 98% Min. mono acid: 96% Min. tetradecanedioic acidCAS NO.: 821-38-5spec.: total acid: 98% Min. mono acid: 96% Min. moisture: 0.3% Max.usage: used in synthesizing, exaltolide, artificial muskon, the latter can substitute musk for synthesiziing herbal medicine. tetradecanedioic acid