TariffsChart
有来源支撑的基础 HTS2933.99.12.00

HTS 2933.99.12.00 基础税率：5.8%

商品描述: 6-Bromo-5-methyl-1H-imidazo[4,5-b]- pyridine; 2-sec-Butyl-4-tert-butyl-6-(benzotriazol-2- yl)phenol; 2-tert-Butyl-4-methyl-6-(5-chlorobenzotri- azol-2-yl)phenol; 2,4-Di-tert-butyl-6-(benzotriazol-2-yl)phenol; 2,4-Di-tert-butyl-6-(5-chlorobenzotriazol-2- yl)phenol; 2,3-Dichloro-6-quinoxalinecarbonyl chloride; 1-Hydroxy-2-carbazolecarboxylic acid; 2-Hydroxy-3-carbazolecarboxylic acid; 2-Hydroxy-3-carbazolecarboxylic acid, sodium salt; Iminodibenzyl(10,11-dihydro-5H-dibenz- [b,f]azepine); Indoline; 3-Methylbenzo[f]quinoline; 2-Methylindoline; 2-Methylmercaptobenzimidazole; 1-Methyl-2-phenylindole; 1-Methylpyrazine; 2,4-Methylpyrazolic acid; 2-Phenylbenzimidazole; 2-Phenylindole; Tetramethylpyrazine; 2,3,5-Triphenyltetrazolium chloride;dl-Tryptophan; and Vinylcarbazole, monomer

已验证来源

基础 HTS 字段已附官方来源、抓取日期和计算痕迹。页面仍仅用于规划估算和报关行复核准备。

美国进口税快速答案

HS 2933.99.12.00（6-Bromo-5-methyl-1H-imidazo[4,5-b]- pyridine; 2-sec-Butyl-4-tert-...）的来源支撑 MFN 基础税率是 5.8%。中国原产货物还需要把 Section 301、Section 122、Section 232、AD/CVD 和排除项作为单独复核层处理；公开页不会把未完整验证的层级伪装成最终税率。

HTS 编码

2933.99.12.00

基础 MFN 税率

5.8%

规划总览

基础 5.8% + 复核层

$29 人工检查这个 HTS 编码1 个商品和 1 条路线 · 通常 1 个工作日 · 无订阅
带入落地成本计算器

中国原产税费层级

MFN 基础税率

5.8%

来自 USITC HTS 基础税率字段。

Section 301 / Chapter 99

需要复核

当前页面没有足够的公开来源链来发布这一层税率。请按 USTR 清单、Chapter 99 和排除项单独复核。

Section 122 / temporary baseline

当前状态复核

临时或诉讼中的关税层需要按最新 Federal Register、CBP 和报关行意见复核；不要把它自动并入基础税率。

Section 232 / product-specific remedies

按品类复核

除钢、铝、铜、汽车、木材等敏感品类外，Section 232 通常不是默认适用层，但仍应按产品和 Chapter 99 复核。

中国原产规划总览

基础 5.8% + 复核层

只有所有组成层都有完整来源链时，才应把它当作可公开引用的组合税率。

用于计算器保存来源快照生成报关行复核资料包打开官方来源

$29/月 · 最多 10 个监控

监控商品的官方关税来源变化

来源指纹发生变化时收到邮件，并在工作区保留检索上下文和待复核记录。变化信号不替代官方或专业判断。

设置关税变化监控

这个 HS 编码是什么？

HS 2933.99.12.00 是 6-Bromo-5-methyl-1H-imidazo[4,5-b]- pyridine; 2-sec-Butyl-4-tert-butyl-6-(benzotriazol-2- yl)phenol; 2-tert-Butyl-4-methyl-6-(5-chlorobenzotri- azol-2-yl)phenol; 2,4-Di-tert-butyl-6-(benzotriazol-2-yl)phenol; 2,4-Di-tert-butyl-6-(5-chlorobenzotriazol-2- yl)phenol; 2,3-Dichloro-6-quinoxalinecarbonyl chloride; 1-Hydroxy-2-carbazolecarboxylic acid; 2-Hydroxy-3-carbazolecarboxylic acid; 2-Hydroxy-3-carbazolecarboxylic acid, sodium salt; Iminodibenzyl(10,11-dihydro-5H-dibenz- [b,f]azepine); Indoline; 3-Methylbenzo[f]quinoline; 2-Methylindoline; 2-Methylmercaptobenzimidazole; 1-Methyl-2-phenylindole; 1-Methylpyrazine; 2,4-Methylpyrazolic acid; 2-Phenylbenzimidazole; 2-Phenylindole; Tetramethylpyrazine; 2,3,5-Triphenyltetrazolium chloride;dl-Tryptophan; and Vinylcarbazole, monomer 的 HTS 编码页面。基础税率来自 USITC HTS 来源字段；最终申报仍取决于完整商品描述、原产地、特殊项目、Chapter 99 和报关行复核。

商品描述

6-Bromo-5-methyl-1H-imidazo[4,5-b]- pyridine; 2-sec-Butyl-4-tert-butyl-6-(benzotriazol-2- yl)phenol; 2-tert-Butyl-4-methyl-6-(5-chlorobenzotri- azol-2-yl)phenol; 2,4-Di-tert-butyl-6-(benzotriazol-2-yl)phenol; 2,4-Di-tert-butyl-6-(5-chlorobenzotriazol-2- yl)phenol; 2,3-Dichloro-6-quinoxalinecarbonyl chloride; 1-Hydroxy-2-carbazolecarboxylic acid; 2-Hydroxy-3-carbazolecarboxylic acid; 2-Hydroxy-3-carbazolecarboxylic acid, sodium salt; Iminodibenzyl(10,11-dihydro-5H-dibenz- [b,f]azepine); Indoline; 3-Methylbenzo[f]quinoline; 2-Methylindoline; 2-Methylmercaptobenzimidazole; 1-Methyl-2-phenylindole; 1-Methylpyrazine; 2,4-Methylpyrazolic acid; 2-Phenylbenzimidazole; 2-Phenylindole; Tetramethylpyrazine; 2,3,5-Triphenyltetrazolium chloride;dl-Tryptophan; and Vinylcarbazole, monomer

数据来源与更新时间

基础字段来源：USITC HTS revision feed。抓取日期：2026-07-20；版本：2026-revision-11。

关税层级如何叠加

  1. 1先读取来源支撑的 MFN 基础税率：5.8%。
  2. 2再按原产地复核 Section 301、Chapter 99、排除项和临时关税层。
  3. 3最后筛查 Section 232、AD/CVD、配额、safeguards、估价、运费和固定费用。
  4. 4计算器输出是规划估算；用于申报前请保存官方来源并交给报关行复核。

Section 301 状态

当前页面没有足够的公开来源链来发布这一层税率。请按 USTR 清单、Chapter 99 和排除项单独复核。

按原产地比较

同一个 HS 编码在不同原产地下可能产生完全不同的规划税负。下面的表格用于比较情景，不是最终申报裁定。

原产地MFNSection 301Section 122Section 232规划总览说明在计算器中比较
中国5.8%需要复核当前状态复核按品类复核基础 5.8% + 复核层最需要复核 Section 301、Chapter 99、排除项和 AD/CVD。在计算器中比较 →
越南5.8%通常不适用当前状态复核按品类复核基础 5.8% + 当前临时层复核适合作为替代原产地情景，但仍需复核临时层、原产地和产品专属措施。在计算器中比较 →
墨西哥（USMCA）合规时可优惠通常不适用USMCA 合规需单独核对按品类复核USMCA 合规时可能为 0%必须有原产地和 USMCA 资格文件；不能把转运当作原产地转换。在计算器中比较 →
印度5.8%通常不适用当前状态复核按品类复核基础 5.8% + 当前临时层复核适合做供应链替代成本情景；仍需按产品和日期复核。在计算器中比较 →

基础 HTS 信息

这一部分只展示带来源字段的基础 HTS 信息。基础税率与附加税复核分开展示，避免把未核实的组合估算当作公开结论。

基础 MFN 税率5.8%Exact official field

HTS 一般税率字段: 5.8%

紧邻税率展示的说明：这里只展示基础 HTS 字段；任何附加税、Chapter 99、排除项或 AD/CVD 仍需单独复核。

计算方式

Exact official field

来源名称

USITC HTS revision feed

来源 URL

https://www.usitc.gov/2026_hts_revision_11

抓取日期

2026-07-20

生效日期

-

版本 / revision

2026-revision-11

置信状态

official-source

复核状态

Verified

可视化计算痕迹

公开页把基础 HTS、附加层和公开可见度拆开显示。虚线条表示组件可能存在，但还没有达到可公开展示的来源完整度。

基础 HTS

Exact official field

5.8%

IEEPA / additional tariff layer

No source-backed public policy document is attached to this component yet, so the rate is hidden.

仍待复核

Section 301 / Chapter 99 layer

No source-backed public policy document is attached to this component yet, so the rate is hidden.

仍待复核

公开度信号

基础字段精度

94%

精确字段

来源新鲜度

88%

在窗口内

公开可见度

22%

仍待复核

计算痕迹

  • HTS line 2933.99.12.00 maps to the USITC general duty field "5.8%".
  • The general duty field is a simple ad valorem rate, so the public base rate shown here is 5.8%.

中国到美国复核清单

把以下项目当作人工复核清单，而不是自动裁定结果。重点包括 Chapter 99、Section 301、USTR exclusions、AD/CVD、quotas / safeguards 与 broker confirmation。

HTS code has filing-level detail to review

success

The entered code (2933.99.12.00) is specific enough to start a rate review, but classification still requires product facts and broker/official confirmation.

Open USITC HTS search

Product facts captured for ruling comparison

success

Use the product description when comparing material, construction, principal use, and classification rationale from rulings.

Search CBP CROSS

USITC HTS candidate record returned

success

Candidate 2933.99.12.00: 6-Bromo-5-methyl-1H-imidazo[4,5-b]- pyridine; 2-sec-Butyl-4-tert-butyl-6-(benzotriazol-2- yl)phenol; 2-tert-Butyl-4-methyl-6-(5-chlorobenzotri- azol-2-yl)phenol; 2,4-Di-tert-butyl-6-(benzotriazol-2-yl)phenol; 2,4-Di-tert-butyl-6-(5-chlorobenzotriazol-2- yl)phenol; 2,3-Dichloro-6-quinoxalinecarbonyl chloride; 1-Hydroxy-2-carbazolecarboxylic acid; 2-Hydroxy-3-carbazolecarboxylic acid; 2-Hydroxy-3-carbazolecarboxylic acid, sodium salt; Iminodibenzyl(10,11-dihydro-5H-dibenz- [b,f]azepine); Indoline; 3-Methylbenzo[f]quinoline; 2-Methylindoline; 2-Methylmercaptobenzimidazole; 1-Methyl-2-phenylindole; 1-Methylpyrazine; 2,4-Methylpyrazolic acid; 2-Phenylbenzimidazole; 2-Phenylindole; Tetramethylpyrazine; 2,3,5-Triphenyltetrazolium chloride;dl-Tryptophan; and Vinylcarbazole, monomer. General duty field: 5.8%.

Open USITC HTS search

Simple general duty rate parsed for planning

success

TariffsChart can apply 5.8% as a planning base duty rate. Still verify special rates, units, footnotes, and applicability.

China-origin trade-remedy and Chapter 99 check required

danger

For China-origin goods, verify Section 301 coverage, exclusions, IEEPA/other current trade-remedy FAQs, and any required Chapter 99 secondary classifications. The automated result does not determine coverage.

Open CBP Section 301 FAQ

AD/CVD scope cannot be determined from HTS alone

danger

Search ACCESS/AD-CVD by country, product, commodity, case number, and HTS. Scope language controls; an HTS match is only a screening signal.

Open AD/CVD Search

Related HTS codes

同一 heading / chapter 下的其他 verified HTS 详情页，可用于比较相邻编码、材料或用途差异。

第 29 章 · Organic chemicals →
2933.11.00.00基础税率: 6.5%

Phenazone (Antipyrine) and its derivatives

来源抓取: 2026-07-20

2933.19.04.00基础税率: Free

Aminomethylphenylpyrazole (Phenylmethylaminopyrazole); and 3-Methyl-1-(p-tolyl)-2-pyrazolin-5-one (p-Tolyl methyl pyrazolone)

来源抓取: 2026-07-20

2933.19.08.00基础税率: 5.8%

3-(5-Amino-3-methyl-1H-pyrazol-1-yl)- benzenesulfonic acid; Amino-J-pyrazolone; 3-Amino-1-(2,4,6-trichlorophenyl)-5- pyrazolone; 3-Carboxy-1,4-sulfophenylpyrazol-5-one; 4-Chloro-3-(3-methyl-5-oxo-2-pyrazolin-1- yl)benzenesulfonic acid; 1-(m-Chlorophenyl)-3-methyl-2-pyrazolin- 5-one;p-Chloropyrazolone; 1-(2',5'-Dichlorophenyl)-3-methyl-2- pyrazolin-5-one; 1-(o-Ethylphenyl)-3-methyl-2-pyrazolin- 5-one; 5-Imino-3-methyl-1-phenylpyrazole; 5-Imino-3-methyl-1-(m-sulfophenyl)- pyrazole; 2,4-Methylcarboxypyrazolic acid; Methylphenylpyrazolone; and Sulfinpyrazone

来源抓取: 2026-07-20

2933.19.15.00基础税率: Free

1,2-Dimethyl-3,5-diphenyl-1H-pyrazolium methyl sulfate (Difenzoquat methyl sulfate)

来源抓取: 2026-07-20

2933.19.18.00基础税率: Free

2-Chloro-5-sulfophenylmethylpyrazolone; 2,5-Dichloro-4-(3-methyl-5-oxo-2- pyrazolin-1-yl) benzenesulfonic acid; Phenyl carbethoxypyrazolone;m-Sulfaminopyrazolone (m-Sulfamido- phenyl methyl pyrazolone); and 1-(p-Sulfophenyl)-3-methyl pyrazolone

来源抓取: 2026-07-20

2933.19.23.00基础税率: 6.5%

Pesticides

来源抓取: 2026-07-20

2933.19.30基础税率: 6.5%

Photographic chemicals

来源抓取: 2026-07-20

2933.19.37.00基础税率: 6.5%

Products described in additional U.S. note 3 to section VI

来源抓取: 2026-07-20

2933.19.70.00基础税率: Free

3-Methyl-5-pyrazolone

来源抓取: 2026-07-20

2933.21.00.00基础税率: 6.5%

Hydantoin and its derivatives

来源抓取: 2026-07-20

2933.29.05.00基础税率: Free

1-[1-((4-Chloro-2-(trifluoromethyl)phenyl)- imino)-2-propoxyethyl]-1H-imidazole (Triflumizole); and Ethylene thiourea

来源抓取: 2026-07-20

2933.29.10.00基础税率: 5.8%

2-Phenylimidazole

来源抓取: 2026-07-20

Official-source openings

以下是这条路线建议打开并保存的官方来源入口。

USITC HTS lookup for 2933.99.12.00

official-source · 2026-07-27

Candidate HTS: 2933.99.12.00 Description: 6-Bromo-5-methyl-1H-imidazo[4,5-b]- pyridine; 2-sec-Butyl-4-tert-butyl-6-(benzotriazol-2- yl)phenol; 2-tert-Butyl-4-methyl-6-(5-chlorobenzotri- azol-2-yl)phenol; 2,4-Di-tert-butyl-6-(benzotriazol-2-yl)phenol; 2,4-Di-tert-butyl-6-(5-chlorobenzotriazol-2- yl)phenol; 2,3-Dichloro-6-quinoxalinecarbonyl chloride; 1-Hydroxy-2-carbazolecarboxylic acid; 2-Hydroxy-3-carbazolecarboxylic acid; 2-Hydroxy-3-carbazolecarboxylic acid, sodium salt; Iminodibenzyl(10,11-dihydro-5H-dibenz- [b,f]azepine); Indoline; 3-Methylbenzo[f]quinoline; 2-Methylindoline; 2-Methylmercaptobenzimidazole; 1-Methyl-2-phenylindole; 1-Methylpyrazine; 2,4-Methylpyrazolic acid; 2-Phenylbenzimidazole; 2-Phenylindole; Tetramethylpyrazine; 2,3,5-Triphenyltetrazolium chloride;dl-Tryptophan; and Vinylcarbazole, monomer General rate field: 5.8% Simple ad-valorem rate parsed for planning: 5.8%

打开官方来源

CBP CROSS rulings search for 2933.99.12.00

official-source · 2026-07-27

Search for binding CBP rulings involving similar merchandise. Capture ruling number, date, product facts, classification rationale, and whether the facts match this SKU. CROSS examples help frame broker questions but do not automatically classify your product.

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CBP Section 301 China-origin check for 2933.99.12.00

official-source · 2026-07-27

For China-origin goods, verify whether the HTS classification is covered by Section 301 remedies, whether any exclusion applies, and which Chapter 99 secondary classification should be reported. Do not infer coverage from the base HTS line alone.

打开官方来源

USTR Section 301 actions and exclusions for 2933.99.12.00

official-source · 2026-07-27

Check USTR Section 301 tariff actions, exclusion notices, and extension status. Save the specific list/exclusion evidence if a product exclusion is claimed.

打开官方来源

AD/CVD scope check for 2933.99.12.00

official-source · 2026-07-27

Search Commerce ACCESS/AD-CVD resources by country, product, case number, HTS number, and commodity. AD/CVD scope can be broader or narrower than an exact HTS match; ask the broker whether a scope ruling or specialist review is needed.

打开官方来源

CBP China/Hong Kong IEEPA and other remedy check for 2933.99.12.00

official-source · 2026-07-27

Review whether any current CBP trade-remedy FAQ, CSMS message, or Chapter 99 note applies in addition to Section 301, base duty, AD/CVD, or other measures. This is a prompt for professional review, not an automated determination.

打开官方来源