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Seniority Profile · Illinois

Mid-level Chemists salary in Illinois

Roles that require qualified independent work on routine tasks. Typically two to five years of relevant experience.

Adrian Serafin, founder and editor of RateOrchardBy Adrian SerafinFounderUpdated May 4, 2026
BLS percentile range
P25 to MEDIAN of the Illinois OES distribution for Chemists.
DOL OFLC offered median
$78,853
Across 19 certified filings at this wage level.
Real disclosed salaries

Mid-level Chemists in Illinois: actual employer-disclosed pay

Public records from 19 certified H-1B Labor Condition Applications filed with the U.S. Department of Labor. Median offered wage: $78,853. Every figure below is an actual offered salary an employer attested to under federal law.

By DOL wage level

DOL classifies every offer into one of four wage levels based on the role's experience and skill requirements.

LevelFilingsMedian offer
Level II — qualified19$78,853

Top employers filing for this role

Companies with the most certified filings for Mid-level Chemists in Illinois. Median offer is across all of that employer's filings.

EmployerMost-filed titleFilingsMedian
University of ChicagoResearch Professional4$67,000
Medefil, Inc.Analytical Scientist I3$78,853
Rising Pharma Holdings, Inc.Senior Chemist2$75,000
The Treatment Ltd.Research and Development Chemist1$83,500
Kashiv BioSciences LLCQC Analyst III1$83,470
SIELC Technologies, Inc.Research and Development Chemist1$78,853
Entegris, Inc.Sr. Scientist, Formulation1$78,853
The Fountain Group, LLCChemist II1$79,040
EVONIK CORPORATIONScientist1$82,992
Obiter Research, LLCResearch Chemist1$67,000

Recent sample filings

A snapshot of recent certified offers. Each line is a real, public, verifiable record.

  • Research and Development Chemist at The Treatment Ltd.
    $83,500
    ChicagoWage Level IIDecided Sep 17, 2025I-200-25253-300121
  • QC Analyst III at Kashiv BioSciences LLC
    $83,470
    ChicagoWage Level IIDecided Aug 25, 2025I-200-25230-250033
  • Analytical Scientist I at Medefil, Inc.
    $83,470
    Glendale HeightsWage Level IIDecided Jul 11, 2025I-200-25184-152988
  • Senior Chemist at Rising Pharma Holdings, Inc.
    $75,000
    DecaturWage Level IIDecided Jun 20, 2025I-200-25163-087229
  • Analytical Scientist I at Medefil, Inc.
    $78,853
    Glendale HeightsWage Level IIDecided Jun 18, 2025I-200-25163-083128
  • Research and Development Chemist at SIELC Technologies, Inc.
    $78,853
    WheelingWage Level IIDecided Jun 11, 2025I-200-25155-052037
  • Analytical Scientist I at Medefil, Inc.
    $78,853
    Glendale HeightsWage Level IIDecided Jun 4, 2025I-200-25148-026166
  • Sr. Scientist, Formulation at Entegris, Inc.
    $78,853
    AuroraWage Level IIDecided May 30, 2025I-200-25142-008496

Source: U.S. Department of Labor, Office of Foreign Labor Certification. Disclosed wages reflect what employers attested to pay; actual paid wages may differ. Only certified filings are shown — denied and withdrawn cases are excluded.