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Clean Science and Technology Limited

Clean Science and Technology Limited

mainboardlisted
Registrar: Link Intime India Private Limited · Listing 2021-07-19
IPO Timeline
Today · 20 Oct 2026
Opens
07 Jul 2021
Closes
09 Jul 2021
Allotment
09 Jul 2021
Refund
15 Jul 2021
Demat
14 Jul 2021
Listing
19 Jul 2021
Price Band
₹880–900
GMP
₹0
0%
Lot Size
16 Shares
Min ₹14,400
Subscription
0x
Issue Size
₹1546 Cr
Open
2021-07-07
Close
2021-07-09
Listing
2021-07-19

About the company

Established in 2003, Clean Science and Technology is a Maharashtra-based speciality chemicals manufacturing company. It makes performance chemicals, FMCG chemicals and pharma intermediates. The company’s chemicals are used as key raw materials for making products and drugs. Clean Science and Technology claims to be the largest manufacturer of performance chemicals like MEHQ and BHA as well as FMCG chemicals such as 4-MAP. For the manufacturing process, it uses newer technologies that are “eco-friendly and cost-effective”. Further, the company has a diversified customer base of domestic and international clients, including Bayer AG, SRF, Gennex Laboratories, Nutriad International NV and Vinati Organics.

Strengths

    Risks

      Financial performance (₹ Cr)

      IPO Roadmap / Timeline

      Current Status · as of 20 Oct 2026
      Listed
      Listed on 19 Jul 2021
      Listed 1919 days ago
      1. IPO Opens

        Completed
        07 Jul 2021

        Bidding starts for all investor categories

      2. IPO Closes

        Completed
        09 Jul 2021

        Last day to place your bid

      3. Basis of Allotment

        Completed
        09 Jul 2021

        Share allotment finalised

      4. Refund Initiation

        Completed
        15 Jul 2021

        Refunds credited for non-allottees

      5. Credit to Demat

        Completed
        14 Jul 2021

        Allotted shares credited to demat account

      6. Listing on Exchange

        Completed
        19 Jul 2021

        Shares list on NSE / BSE

      Post-close dates are indicative as per SEBI T+3 listing framework and may change per registrar updates.

      Lot size & minimum investment

      Lot Size
      16 shares
      Price / Share (upper)
      ₹900
      Min Investment (1 lot)
      ₹14,400
      Price Band
      ₹880–900
      Retail
      ≤ ₹2,00,000
      Min lots
      1
      Min shares
      16
      Min amount
      ₹14,400
      Max amount
      ₹187,200
      sHNI (Small HNI)
      ₹2L – ₹10L
      Min lots
      14
      Min shares
      224
      Min amount
      ₹201,600
      Max amount
      ₹993,600
      bHNI (Big HNI)
      > ₹10L
      Min lots
      70
      Min shares
      1120
      Min amount
      ₹1,008,000
      Max amount
      ₹1,080,000

      Shares reserved per category & allotment probability

      QIB
      100% allotment
      Reservation
      50%
      Amount
      ₹773 Cr
      Shares offered
      8,685,394
      Shares bid
      0
      Subscribed
      0.00x
      NII
      100% allotment
      Reservation
      15%
      Amount
      ₹231.9 Cr
      Shares offered
      2,605,618
      Shares bid
      0
      Subscribed
      0.00x
      Retail
      100% allotment
      Reservation
      35%
      Amount
      ₹541.1 Cr
      Shares offered
      6,079,775
      Shares bid
      0
      Subscribed
      0.00x

      Retail is a lottery-based allotment when oversubscribed; QIB/NII get pro-rata. Probability ≈ 1 / subscription times (100% if under-subscribed).