Medical Device
Manufacturing
THE TRADE PAPER OF THE FACTORY FLOOR
K871477Substantially Equivalent

Neutral Red

Sigma Chemical Co., St. Louis MO / Traditional, Substantially Equivalent

K871477 is the FDA 510(k) clearance record for NEUTRAL RED, a class I device, cleared for Sigma Chemical Co. on under FDA product code KFE (Neutral Red). FDA records list 231 510(k) clearances for Sigma Chemical Co., from to . As of , FDA records show no recalls naming K871477.

Clearance record

Decision date
Received
(15 days to decision)
Product code
KFE Neutral Red
Regulation
21 CFR 864.1850
Device class
Class I
Review panel
Hematology
Applicant
Sigma Chemical Co. P.O. Box 14508, St. Louis MO
Third party review
No

Clearances, product code KFE

Trailing 12 months

FDA records hold no clearances under product code KFE in the trailing twelve months.

FDA records show no clearances under product code KFE in the twelve months to October 2026.
Show the numbers
Monthly 510(k) clearances under FDA product code KFE, trailing twelve months
MonthClearances
November 20250
December 20250
January 20260
February 20260
March 20260
April 20260
May 20260
June 20260
July 20260
August 20260
September 20260
October 20260