
Materials & Chemicals · NSE / BSE
Clean Science and Technology Ltd, incorporated in 2003, is a leading global manufacturer of specialty chemicals. The company produces functionally critical chemicals across three categories: Performance Chemicals (MEHQ, BHA, AP), Pharmaceutical Intermediates (Guaiacol, DCC), and FMCG Chemicals (4-MAP, Anisole). Its products are supplied to manufacturers and distributors both in India and internationally, including markets in China, Europe, the USA, Korea, Taiwan, and Japan, with key customers like Bayer AG, Genex Laboratories, Nutriad International NV, SRF Limited, and Vinati Organics. In fiscal 2020, 69% of the company’s revenue came from exports. Clean Science operates two production facilities in Kurkumbh, Maharashtra, with a combined installed capacity of 29,900 MTPA as of December 31, 2020.
Price Band
₹880 – ₹900
Issue Size
₹1547 Cr
Lot Size
16 shares
GMP
+68.3%
Est. Listing
₹1515
at current GMP
Subscribed
—
Open
7 Jul 2021
Close
9 Jul 2021
Allotment
15 Jul 2021
Refund
16 Jul 2021
Demat Credit
17 Jul 2021
Listing
19 Jul 2021
Last updated: 19 Oct 2026
Current Premium
Issue Price (Upper)
₹900
Band: ₹880 – ₹900
Estimated Listing Price
₹1515
Upper price + GMP
Lot Size
16 shares
Min investment ₹14,400
Estimated Profit / Lot
₹9,840
16 × ₹615
Grey Market Premium trend
+₹615
▲ 0 today
Updated less than a minute ago
| Date | GMP (₹) | GMP % | Est. Listing |
|---|---|---|---|
| 31 Oct 2026 | +₹615 | 68.3% | ₹1515 |
| 30 Oct 2026 | +₹615 | 68.3% | ₹1515 |
| 29 Oct 2026 | +₹554 | 61.5% | ₹1454 |
GMP is unofficial market data. Not a guarantee of listing performance.
Clean Science and Technology Limited is bringing an initial public offering (IPO) in the Materials & Chemicals sector with an aggregate issue size of ₹1,547 Crores. The shares are offered at a price band of ₹880 to ₹900 per equity share on NSE and BSE. Currently, market analysts recommend evaluating the company's financial valuation, price-to-earnings (P/E) multiple, and peer comparison prior to submitting bids.
The public offer consists of a fresh issue and offer-for-sale structured under SEBI regulations. Bidding is open to Qualified Institutional Buyers (QIB), Non-Institutional Bidders (NII/HNI), and Retail Individual Investors (RII). Applications can be submitted online using ASBA or UPI mandate through certified stock brokers and net banking portals.
Following the close of bidding on 2021-07-09, the basis of allotment is scheduled to be finalized on 2021-07-15. Investors can verify their application status online by submitting their PAN card number, Application Number, or DP Client ID on the registrar's official portal (Link Intime India Private Limited) or the BSE allotment checking window.
The latest grey market premium for Clean Science and Technology Limited IPO is ₹615, which indicates an expected listing price of ₹1515.
Kostak rate is the profit amount an investor earns by selling their entire IPO application in the grey market before allotment is finalized.
No. GMP is an unofficial indicator discovered between dealers outside of SEBI-regulated exchanges. Actual listing price is determined by demand-supply discovery on NSE/BSE during the pre-open auction.