D 8741 (OTTO) N,N'-Diisopropylcarbodiimide, 99% Cas 693-13-0 - used as an antineoplastic and involved in the treatment of malignant melanoma and sarcomas. D 8741 (OTTO) N,N'-Diisopropylcarbodiimide, 99% Cas 693-13-0 - used in the synthesis of acid anhydride, aldehyde, ketone and isocyanate.