5-[Bis-(2-chloro-ethyl)-amino]-1H-indole-2-carboxylic acid ethyl ester, also known as Nitrogen mustard or Mustine, is a chemical compound with the molecular formula C10H15Cl2N2O2. It is a nitrogen mustard alkylating agent, which is a type of chemotherapy drug used to treat various types of cancer, including Hodgkin's lymphoma, non-Hodgkin's lymphoma, and leukemia. The compound is characterized by its indole-based structure, with two chloroethyl groups attached to the nitrogen atom, and an ethyl ester group on the carboxylic acid. Due to its cytotoxic properties, it is essential to handle this chemical with extreme caution and in a controlled environment to minimize exposure risks.
The CAS Registry Mumber 1520-91-8 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 1,5,2 and 0 respectively; the second part has 2 digits, 9 and 1 respectively. Calculate Digit Verification of CAS Registry Number 1520-91: (6*1)+(5*5)+(4*2)+(3*0)+(2*9)+(1*1)=58 58 % 10 = 8 So 1520-91-8 is a valid CAS Registry Number.