3-Methyl-2-benzothiazolinone hydrazone hydrochloride monohydrate - AR, ≥98% , CAS No.38894-11-0

CAS: 38894-11-0 Cat. No.: M109065 Molecular Weight: 233.72 Beilstein Registry Number: 4722243 EC Number: 684-573-8
AVAILABLE TO ORDER
GRADE & PURITY AR ? Analytical Reagent grade — high-purity chemicals meeting strict assay limits for lab analysis. Use when accuracy matters and trace impurities could skew results. ≥98%
Synonyms
MBTH hydrochloride | Sawicki's Reagent | 2-Hydrazono-3-methylbenzothiazoline hydrochloride
Storage
Store at 2-8°C,Protected from light
Shipped In
Wet ice
 ·  off list, applied to all prices below.
Size
Status
Price
Qty
1g
M109065-1g
10
$10.90
5g
M109065-5g
6
$28.90
25g
M109065-25g
1
$85.90
100g
M109065-100g
1
$239.90
500g
M109065-500g
8-12 wks(?) Production requires sourcing of materials. We appreciate your patience and understanding.
$959.90
Enter a quantity for the sizes you want to add.
🧪

Why this grade

AR, ≥98% AR for sensitive chromatographic and analytical workflows requiring minimal baseline interference.

🌡

Storage & shipping

Store at 2-8°C,Protected from light Ships Wet ice Check lot-specific COA for exact specifications.

📋

Quality documents

SDS, COA, datasheet, and spec sheet available for download. Lot-specific COA accessible via lot number lookup.

📚

Literature proof

Cited in 10 peer-reviewed publications across chromatography, organic synthesis, and cross-coupling reactions.

Overview

May contain free HCl. Reagent for the spectrophotometric determination of aliphatic aldehydes. Reagent for the determination of hexosamines in glycosaminoglycans. Reagent for the spectrophotometric determination of traces of selenium (IV) in environmental samples. Incorporated into a new peroxidase color reaction.

Specifications

Synonyms
MBTH hydrochloride | Sawicki's Reagent | 2-Hydrazono-3-methylbenzothiazoline hydrochloride
Specifications & Purity
AR, ≥98%
Storage
Store at 2-8°C, Protected from light
Shipped In
Wet ice
This product requires cold chain shipping. Ground and other economy services are not available.
Grade
AR
Purity
≥98%
Names and Identifiers
Pubchem Sid488195719
Pubchem Sid Urlhttps://pubchem.ncbi.nlm.nih.gov/substance/488195719
Canonical SmilesCN1C2=CC=CC=C2SC1=NN.O.Cl
IUPAC Name(Z)-(3-methyl-1,3-benzothiazol-2-ylidene)hydrazine;hydrate;hydrochloride
InChIKeyIYXXQOGEFHAQGU-GPWRMYTLSA-N
INCHI1S/C8H9N3S.ClH.H2O/c1-11-6-4-2-3-5-7(6)12-8(11)10-9;;/h2-5H,9H2,1H3;1H;1H2/b10-8-;;
Isomeric SMILES CN\1C2=CC=CC=C2S/C1=N\N.O.Cl
WGK Germany 3
RTECS DL7160200
Alternate CAS 149022-15-1;4338-98-1
UN Number 2811
Molecular Weight 233.72
Beilstein 4722243
Reaxy-Rn 34801365
Reaxys-RN_link_address https://www.reaxys.com/reaxys/secured/hopinto.do?context=S&query=IDE.XRN=34801365&ln=

Documentation

📋 Safety Data Sheet (SDS)

Comprehensive hazard, handling, storage, and regulatory compliance document.

Download SDS →

✅ Certificate of Analysis (COA)

Lot-specific quality data. Enter your lot number to retrieve the exact COA.

Look up COA →

📊 Datasheet

Quick-reference summary of product specifications and applications.

View datasheet →

🔬 Specification Sheet

Full quality attributes and acceptance criteria for this grade.

View spec sheet →

Advanced Data

Taxonomic Classification

Taxonomy Tree

KingdomOrganic compounds
SuperclassOrganoheterocyclic compounds
ClassBenzothiazoles
SubclassNot available
Intermediate Tree Nodes Not available
Direct ParentBenzothiazoles
Alternative Parents Benzenoids  Thiazoles  Heteroaromatic compounds  Hydrazones  Azacyclic compounds  Organic oxides  Hydrochlorides  Hydrocarbon derivatives  
Molecular FrameworkAromatic heteropolycyclic compounds
Substituents 1,3-benzothiazole - Benzenoid - Heteroaromatic compound - Thiazole - Azole - Azacycle - Hydrazone - Organic nitrogen compound - Organic oxygen compound - Organic oxide - Hydrocarbon derivative - Hydrochloride - Organonitrogen compound - Aromatic heteropolycyclic compound
DescriptionThis compound belongs to the class of organic compounds known as benzothiazoles. These are organic compounds containing a benzene fused to a thiazole ring (a five-membered ring with four carbon atoms, one nitrogen atom and one sulfur atom).
External Descriptors Not available
3D Structure
Interactive Chemical Structure Model





Certificates(CoA,COO,BSE/TSE and Analysis Chart)
C of A & Other Certificates(BSE/TSE, COO):
Analytical Chart:

Find and download the COA for your product by matching the lot number on the packaging.

34 results found

Lot NumberCertificate TypeDateItem
F2624463Certificate of AnalysisMay 30, 2026 M109065
F2624461Certificate of AnalysisMay 30, 2026 M109065
F2624460Certificate of AnalysisMay 30, 2026 M109065
F2624459Certificate of AnalysisMay 30, 2026 M109065
F2624458Certificate of AnalysisMay 30, 2026 M109065
D23231198Certificate of AnalysisFeb 05, 2026 M109065
A2331120Certificate of AnalysisOct 29, 2025 M109065
A2331121Certificate of AnalysisOct 29, 2025 M109065
A2331119Certificate of AnalysisOct 29, 2025 M109065
A2331123Certificate of AnalysisOct 29, 2025 M109065
A2331124Certificate of AnalysisOct 29, 2025 M109065
F2214171Certificate of AnalysisMar 04, 2025 M109065
L2510044Certificate of AnalysisFeb 15, 2025 M109065
I2519014Certificate of AnalysisFeb 15, 2025 M109065
C2605155Certificate of AnalysisFeb 15, 2025 M109065
C2507537Certificate of AnalysisFeb 15, 2025 M109065
C2507538Certificate of AnalysisFeb 15, 2025 M109065
C2507540Certificate of AnalysisFeb 15, 2025 M109065
C2507539Certificate of AnalysisFeb 15, 2025 M109065
H2422422Certificate of AnalysisAug 06, 2024 M109065
H2422417Certificate of AnalysisAug 06, 2024 M109065
H2422416Certificate of AnalysisAug 06, 2024 M109065
D2415089Certificate of AnalysisApr 09, 2024 M109065
D2415251Certificate of AnalysisApr 09, 2024 M109065
D2415252Certificate of AnalysisApr 09, 2024 M109065
D23231270Certificate of AnalysisMar 18, 2023 M109065
D23231274Certificate of AnalysisMar 18, 2023 M109065
D23231257Certificate of AnalysisMar 18, 2023 M109065
A2331125Certificate of AnalysisDec 14, 2022 M109065
A2331122Certificate of AnalysisDec 14, 2022 M109065
F2214227Certificate of AnalysisMay 28, 2022 M109065
F2214175Certificate of AnalysisMay 28, 2022 M109065
F2214174Certificate of AnalysisMay 28, 2022 M109065
A2405325Certificate of AnalysisJan 24, 2022 M109065

Show more ⌵

Chemical and Physical Properties
SolubilitySoluble in water.
SensitivityHygroscopic ; Light Sensitive
Melt Point(°C)270-274°C
Molecular Weight233.720 g/mol
XLogP3
Hydrogen Bond Donor Count3
Hydrogen Bond Acceptor Count4
Rotatable Bond Count0
Exact Mass233.039 Da
Monoisotopic Mass233.039 Da
Topological Polar Surface Area67.900 Ų
Heavy Atom Count14
Formal Charge0
Complexity204.000
Isotope Atom Count0
Defined Atom Stereocenter Count0
Undefined Atom Stereocenter Count0
Defined Bond Stereocenter Count1
Undefined Bond Stereocenter Count0
The total count of all stereochemical bonds1
Covalently-Bonded Unit Count3
Documents & Articles
Citations of This Product
References
1. Yuting Qian, Wenrou Tian, Jun Han, Najun Li, Dongyun Chen, Qingfeng Xu, Hua Li, Jianmei Lu.  (2023)  Bismuth vacancies-enriched Bi4Ti3O12 nanosheets coated with UiO-66-NH2 for adsorption-combined piezocatalytic oxidation of HCHO.  SEPARATION AND PURIFICATION TECHNOLOGY,      [PMID:] [10.1016/j.seppur.2023.124379]
2. Huasheng Lai, Zhengyi Chen, Gongke Li, Zhuomin Zhang.  (2022)  All-in-One Preparation Strategy Integrated in a Miniaturized Device for Fast Analyses of Biomarkers in Biofluids by Surface Enhanced Raman Scattering.  ANALYTICAL CHEMISTRY,      [PMID:36383354] [10.1021/acs.analchem.2c03504]
3. Kai Li, Zitang Xu, Xiaoxiao Liu, Yaojia He, Xiaoke Tian, Xiaoling Xu, Guangxu Bo, Sheng Yuan, Li Xu, Min Yang, Jinyong Yan, Houjin Zhang, Yunjun Yan.  (2022)  Mussel foot inspired bionic adhesive material enhanced by a reconstructed in vitro system for interfacial adhesion.  CHEMICAL ENGINEERING JOURNAL,      [PMID:] [10.1016/j.cej.2022.139580]
4. Kun Ge, Yuling Hu, Yanjie Zheng, Peichun Jiang, Gongke Li.  (2021)  Aptamer/derivatization-based surface-enhanced Raman scattering membrane assembly for selective analysis of melamine and formaldehyde in migration of melamine kitchenware.  TALANTA,      [PMID:34517611] [10.1016/j.talanta.2021.122743]
5. Zhengyi Chen, Gongke Li, Zhuomin Zhang.  (2017)  Miniaturized Thermal-Assisted Purge-and-Trap Technique Coupling with Surface-Enhanced Raman Scattering for Trace Analysis of Complex Samples.  ANALYTICAL CHEMISTRY,      [PMID:28793761] [10.1021/acs.analchem.7b02912]
6. Xueming Bao, Zirong Li, Dongyu Zhu, Bo Xu, Man Zhou, Yuanyuan Yu, Qiang Wang, Ping Wang.  (2025)  Sliver-doped manganese oxide hollow nanospheres as dual-functional textile coatings for antibacterial and formaldehyde elimination.  JOURNAL OF COLLOID AND INTERFACE SCIENCE,      [PMID:40010092] [10.1016/j.jcis.2025.02.166]
7. Jialin Li, Shaowei Liu, Amil Aligayev, Hao Jiang, Muhammad, Shenhao Wang, Xin Yu, Jin Tao, Jiaqi Wang, Agnieszka Jastrzębska, Qing Huang.  (2025)  Dual-mode SERS and colorimetric sensor for lung cancer VOC-biomarker detection using hydrogel patches.  CHEMICAL ENGINEERING JOURNAL,      [PMID:] [10.1016/j.cej.2025.168343]
8. Chen Shen, Wenqing Chen, Changzhu Li, Haiying Cui, Lin Lin.  (2023)  The effects of cold plasma (CP) treatment on the inactivation of yam peroxidase and characteristics of yam slices.  JOURNAL OF FOOD ENGINEERING,      [PMID:] [10.1016/j.jfoodeng.2023.111693]
9. Zhengyi Chen, Gongke Li, Zhuomin Zhang.  (2019)  Miniaturized array gas membrane separation strategy for rapid analysis of complex samples by surface-enhanced Raman scattering.  ANALYTICA CHIMICA ACTA,      [PMID:31005148] [10.1016/j.aca.2019.03.031]
10. Chenbing Xi, Minyi Luo, Yong Zhang, Zhengyi Chen.  (2025)  Adjuvant Tracer Strategy Combined with a Portable Steam Penetration Gas Membrane Separation Device for Peroxynitrite Detection.  ANALYTICAL CHEMISTRY,      [PMID:41229072] [10.1021/acs.analchem.5c04503]
Solution Calculators
Reviews

Customer Reviews

Shall we send you a message when we have discounts available?

Remind me later

Thank you! Please check your email inbox to confirm.

Oops! Notifications are disabled.