2013-13217. Manufacturer of Controlled Substances; Notice of Application Sigma Aldrich Research Biochemicals, Inc.

Pursuant to 1301.33(a), Title 21 of the Code of Federal Regulations (CFR), this is notice that on May 7, 2013, Sigma Aldrich Research Biochemicals, Inc., 1-3 Strathmore Road, Natick, Massachusetts 01760-2447, made application by letter to the Drug Enforcement Administration (DEA) to be registered as a bulk manufacturer of the following basic classes of controlled substances:

Drug	Schedule
Mephedrone (4-Methyl-N-methylcathinone) (1248)	I
MDPV (3,4-Methylenedioxypyrovalerone) (7535)	I
Methylone (3,4-Methylenedioxy-N-methylcathinone) (7540)	I
Sufentanil (9740)	II

The company plans to manufacture reference standards.

Any other such applicant, and any person who is presently registered with DEA to manufacture such substances, may file comments or objections to the issuance of the proposed registration pursuant to 21 CFR 1301.33(a).

Any such written comments or objections should be addressed, in quintuplicate, to the Drug Enforcement Administration, Office of Diversion Control, Federal Register Representative (ODL), 8701 Morrissette Drive, Springfield, Virginia 22152; and must be filed no later than August 5, 2013.

Dated: May 24, 2013.

Joseph T. Rannazzisi,

Deputy Assistant Administrator, Office of Diversion Control, Drug Enforcement Administration.