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US HTS statistical reporting number

HTS 2937.21.00.40: Prednisolone

Chapter 29, Organic chemicals. Subheading 2937.21: Cortisone, hydrocortisone, prednisone (dehydrocortisone), and prednisolone (dehydrohydrocortisone). Tariff line 2937.21.00: Cortisone, hydrocortisone, prednisone (dehydrocortisone), and prednisolone (dehydrohydrocortisone). The general (column 1) duty is Free. On a $10,000.00 ocean shipment priced on Oct 27, 2026, total duty runs from 0% (China) to 0% (Brazil) across the 15 largest US import origins once Chapter 99 measures are added.

General rate
Free
From China
0%
Lowest of 15
0% CN
Unit of quantity
g

Effective duty by country of origin

Example: $10,000.00 shipment ($10,000.00 customs value, ocean, entered Oct 27, 2026, no preference claimed). Open a row for every layer applied and every layer considered and not applied, with the source behind each; layers with the same outcome for most origins are listed once below the table. Customs fees (MPF, HMF) are not duty and are in the calculator below.

OriginDuty rateOn $10,000.00Additional layers
China CN0%$0.00None
    Considered, not applied

    Column 1 duty (MFN) 0% applied; 5 more layers considered, not applied. Same as most origins, listed below.

    Mexico MX0%$0.00None
      Considered, not applied

      Column 1 duty (MFN) 0% applied; 6 more layers considered, not applied. Same as most origins, listed below.

      Canada CA0%$0.00None
        Considered, not applied

        Column 1 duty (MFN) 0% applied; 5 more layers considered, not applied. Same as most origins, listed below.

        Vietnam VN0%$0.00None
          Considered, not applied

          Column 1 duty (MFN) 0% applied; 6 more layers considered, not applied. Same as most origins, listed below.

          India IN0%$0.00None
            Considered, not applied

            Column 1 duty (MFN) 0% applied; 6 more layers considered, not applied. Same as most origins, listed below.

            Germany DE0%$0.00None
              Considered, not applied

              Column 1 duty (MFN) 0% applied; 6 more layers considered, not applied. Same as most origins, listed below.

              Japan JP0%$0.00None
                Considered, not applied

                Column 1 duty (MFN) 0% applied; 6 more layers considered, not applied. Same as most origins, listed below.

                South Korea KR0%$0.00None
                  Considered, not applied

                  Column 1 duty (MFN) 0% applied; 6 more layers considered, not applied. Same as most origins, listed below.

                  Taiwan TW0%$0.00None
                    Considered, not applied

                    Column 1 duty (MFN) 0% applied; 6 more layers considered, not applied. Same as most origins, listed below.

                    Thailand TH0%$0.00None
                      Considered, not applied

                      Column 1 duty (MFN) 0% applied; 6 more layers considered, not applied. Same as most origins, listed below.

                      United Kingdom GB0%$0.00None
                        Considered, not applied

                        Column 1 duty (MFN) 0% applied; 6 more layers considered, not applied. Same as most origins, listed below.

                        Italy IT0%$0.00None
                          Considered, not applied

                          Column 1 duty (MFN) 0% applied; 6 more layers considered, not applied. Same as most origins, listed below.

                          Malaysia MY0%$0.00None
                            Considered, not applied

                            Column 1 duty (MFN) 0% applied; 6 more layers considered, not applied. Same as most origins, listed below.

                            Indonesia ID0%$0.00None
                              Considered, not applied

                              Column 1 duty (MFN) 0% applied; 6 more layers considered, not applied. Same as most origins, listed below.

                              Brazil BR0%$0.00None
                                Considered, not applied

                                Column 1 duty (MFN) 0% applied; 6 more layers considered, not applied. Same as most origins, listed below.

                                Layers with the same outcome for most origins

                                Each layer below was applied or considered for the origins named under it, with the same result and reason for each.

                                • AppliedColumn 1 duty (MFN)

                                  General (column 1) rate of HTSUS 2937.21.00.40 is free.

                                  Source: HTSUS 2937.21.00.40

                                  Same for all 15 origins.

                                  0%
                                  $0.00
                                • Not appliedSection 232 (national security)

                                  This code is not on the Section 232 lists in HTSUS Chapter 99 (metals, autos and parts, trucks, wood, semiconductors; U.S. notes 16, 33 and 37 to 39).

                                  Source: USITC HTSUS Chapter 99 (2026HTSRev21)

                                  Same for all 15 origins.

                                  0
                                • Not appliedSection 122 surcharge9903.03.01

                                  Expired on 2026-07-24 at the 150-day statutory limit; the Section 301 forced-labor duty replaced it.

                                  Source: HTSUS 9903.03.01

                                  Same for all 15 origins.

                                  0
                                • Not appliedSection 232 pharmaceuticals

                                  Not one of the pharmaceutical provisions listed in U.S. note 40(c).

                                  Source: USITC HTSUS Chapter 99 (2026HTSRev21)

                                  Same for all 15 origins.

                                  0
                                • Not appliedSection 338 (Canada)

                                  Applies only to products of Canada.

                                  Source: Proclamations 11046 to 11048 (Section 338 Canada), start moved to Aug 22 2026 by Proclamation 11056

                                  Same for 14 of 15 origins (all except Canada).

                                  0
                                • Not appliedAntidumping / countervailing duty

                                  No antidumping or countervailing duty order in our data lists this code for this country of origin. Order scope follows the written product description, so check it for your goods.

                                  Source: CBP antidumping and countervailing duties

                                  Same for all 15 origins.

                                  0
                                • Not appliedSection 301 (China)

                                  Section 301 China duties apply only to products of China, and this code is not on Lists 1 to 4A in any case.

                                  Source: HTSUS Chapter 99 U.S. notes 20 and 31 (2026HTSRev21)

                                  Same for 14 of 15 origins (all except China).

                                  0

                                Estimate duty for your shipment

                                Same engine as the LandedFees calculator. The link updates as you calculate, so you can share the exact estimate.

                                Other lines in heading 2937

                                CBP rulings for 2937.21.00

                                No CROSS ruling in our corpus cites this tariff line yet.

                                Search all CROSS rulings for 2937.21

                                Questions about HTS 2937.21.00.40

                                What is the US import duty rate for HTS 2937.21.00.40?

                                The general (column 1) rate is Free. With Chapter 99 duties added, the effective duty on a $10,000 ocean shipment ranges from 0% (China) to 0% (Brazil) across the 15 origins priced here on Oct 27, 2026.

                                Does Section 301 apply to HTS 2937.21.00.40 from China?

                                No. Not on Section 301 Lists 1, 2, 3 or 4A or the 2024 four-year review increases (U.S. notes 20 and 31). List 4B was suspended and never took effect.

                                Is HTS 2937.21.00.40 subject to the Section 301 forced-labor duty?

                                No. Listed in U.S. note 52(b) (heading 9903.05.86): exempt from the forced-labor duty for all economies. Heading 9903.05.31 (12.5% for China) is therefore not charged.

                                Is HTS 2937.21.00.40 covered by Section 232?

                                No. This code is not on the Section 232 lists in HTSUS Chapter 99 (metals, autos and parts, trucks, wood, semiconductors; U.S. notes 16, 33 and 37 to 39).

                                Price a full shipment with HTS 2937.21.00.40

                                Several lines, freight and insurance, Incoterms, FTA claims and a PDF you can send to your broker.

                                Open the landed cost calculator

                                Sources and method

                                Each origin is priced by the same rate resolver and engine as the LandedFees calculator, from the USITC HTS 2026 Rev. 21 and the HTSUS Chapter 99 notes, on Oct 27, 2026. AD/CVD uses the all-others cash deposit rate. Estimates for planning, not a binding ruling or legal advice; confirm with your customs broker before filing.