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Central Narcotics Bureau
  • Who We Are
    • Overview
    • Vision, Mission, Values
    • Organisational Structure
    • CNB Explains
      • Articles
    • Annual Reports
    • Our History
    • Singapore's Strategy to Combat Drugs
    • Singapore's Law Enforcement Strategy to Combat Money Laundering
  • Drug Info
    • Drugs and Inhalants
    • Plants that Contain Controlled Drugs
    • Precursor Control
    • Misuse of Drugs Act
    • Intoxicating Substances
  • Resources
    • For Youths
      • Articles
      • DrugFreeSG Advocacy Network
      • Board Game
    • For Communities
      • Info Package
      • Resource Toolkit
      • Collaterals
      • Message Cards
      • Colouring Sheet
    • Core Programmes
      • Talks and Exhibitions
      • Skit for Primary Schools
      • Skit for Secondary Schools
      • Collaboration
      • Anti-drug Ambassador Activity (AAA)
      • CNB Heritage Gallery
    • Myths and Facts about Drugs
      • Cannabis
    • Publications
      • Illustrated Book
      • Activity Book
      • Comic Book
      • kNOw Cannabis
      • Little Red Dot
      • IN Magazine
      • Interactive Book
      • Smart Parenting
      • NPS information booklet
    • DrugFreeSG Champions
  • News
    • News
      • Latest
      • Archive
    • Events
    • Drug Situation Reports
      • Drug Report
  • Careers
    • Narcotics Officer
    • Civilian Officer
    • Scholarships and Sponsorships
    • Internships
    • Career Roadmap
    • Officer Feature Stories
      • Sebastian Tan
      • Dinesh Kumar Rai
      • Subashiyni Ramakrishnan
      • Taufiq Abdul Azim
  • e-Services
  • REMEMBRANCE DAY
    • Section 1: Singapore’s Drug Control Strategy
    • Section 2: The Impact of Drug Abuse on Families and Loved Ones
    • Section 3: The Dangers of Drug Liberalisation

Beware of suspicious donation collectors who claim to be raising funds on behalf of the Central Narcotics Bureau (CNB). These solicitations for donations are NOT related in any way to nor endorsed by CNB. If you encounter such claims, please make a police report immediately.

Beware of fake/phishing SMS messages or emails that impersonate the Central Narcotics Bureau (CNB). CNB does not send clickable links in SMS messages. CNB officers will only send emails from addresses ending with “@cnb.gov.sg”. If in doubt, you may contact us via the official channels listed at https://www.cnb.gov.sg/contact-us

Precursor Control
About Us Banner

Home > Drug Info > Precursor Control
CNB Crest
Introduction
CNB Crest
Patrol (Permit Administration and ConTROL System)

List Of Controlled Substances

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Controlled substances as specified under the Third Schedule of the Misuse of Drugs Act (MDA)
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Importation Of Food Products Containing Poppy Seeds

Scheduled Substances

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Circular 1 - dated 26 May 2008
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Circular 2 - dated 01 Apr 2001
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Circular 3 - dated 27 Jun 2014
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Circular 4 - dated 02 Sep 2014
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Circular 5 - dated 05 Nov 2015
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Circular 6 - dated 04 Oct 2017
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Circular 7 - dated 01 Jun 2022
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Circular 8 - dated 29 May 2024
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Circular 9 - dated 29 November 2024

Central Narcotics Bureau (CNB)

Who We Are
  • Overview
  • Vision, Mission, Values
  • Organisational Structure
  • CNB Explains
  • Annual Reports
  • Our History
Drug Information
  • Drugs and Inhalants
  • Plants that Contain Controlled Drugs
  • Precursor Control
  • Misuse of Drugs Act
  • Intoxicating Substances
Resources 
  • For Youths
  • For Communities
  • Core Programmes
  • Myths and Facts about Drugs
  • Publications
  • DrugFreeSG Champions
News & Events
  • News
  • Events
  • Drug Situation Reports
Careers
  • Narcotics Officer
  • Civilian Officer
  • Scholarships and Sponsorships
  • Internship
  • Career Roadmap
  • Officer Feature Stories
 
  • Contact Us
  • Reach
  • Feedback
  • FAQs

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Last Updated 29 Nov 2024