Isobutyl chloroformate - ≥98% , CAS No.543-27-1

CAS: 543-27-1 Cat. No.: I105738 Molecular Weight: 136.58 Beilstein Registry Number: 956590 EC Number: 208-840-1
AVAILABLE TO ORDER
GRADE & PURITY ≥98%
Synonyms
DTXSID8052194 | UNII-6S785TC0OB | BP-31022 | Isobutyl chloroformate | iso-butyl chloroformate | isobutyl chloro-formate | chloroformic acid-isobutylester | MFCD00000642 | Formic acid, chloro-, isobutyl ester | iBuOCOCl | i-BuOCOCl | SB40458 | EN300-17639
Storage
Store at 2-8°C,Argon charged
Shipped In
Wet ice,FedEx DG Service
 ·  off list, applied to all prices below.
Size
Status
Price
Qty
5g
I105738-5g
2
$9.90
25g
I105738-25g
8-12 wks(?) Production requires sourcing of materials. We appreciate your patience and understanding.

$11.90

$17.90
Save $6.00 (33.52%)
100g
I105738-100g
8-12 wks(?) Production requires sourcing of materials. We appreciate your patience and understanding.
$31.90
500g
I105738-500g
2
$112.90
Enter a quantity for the sizes you want to add.
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Why this grade

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

🌡

Storage & shipping

Store at 2-8°C,Argon charged Ships Wet ice,FedEx DG Service 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 23 peer-reviewed publications across chromatography, organic synthesis, and cross-coupling reactions.

Specifications

Synonyms
DTXSID8052194 | UNII-6S785TC0OB | BP-31022 | Isobutyl chloroformate | iso-butyl chloroformate | isobutyl chloro-formate | chloroformic acid-isobutylester | MFCD00000642 | Formic acid, chloro-, isobutyl ester | iBuOCOCl | i-BuOCOCl | SB40458 | EN300-17639
Specifications & Purity
≥98%
Storage
Store at 2-8°C, Argon charged
Shipped In
Wet ice, FedEx DG Service
This product requires cold chain shipping. Ground and other economy services are not available.
Purity
≥98%
Names and Identifiers
Canonical SmilesCC(C)COC(=O)Cl
IUPAC Name2-methylpropyl carbonochloridate
InChIKeyYOETUEMZNOLGDB-UHFFFAOYSA-N
INCHI1S/C5H9ClO2/c1-4(2)3-8-5(6)7/h4H,3H2,1-2H3
Isomeric SMILES CC(C)COC(=O)Cl
WGK Germany 2
UN Number 3489
Packing Group I
Molecular Weight 136.58
Beilstein 956590
Reaxy-Rn 956590
Reaxys-RN_link_address https://www.reaxys.com/reaxys/secured/hopinto.do?context=S&query=IDE.XRN=956590&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
SuperclassOrganic acids and derivatives
ClassOrganic carbonic acids and derivatives
SubclassNot available
Intermediate Tree Nodes Not available
Direct ParentOrganic carbonic acids and derivatives
Alternative Parents Organochlorides  Organic oxides  Hydrocarbon derivatives  Carbonyl compounds  
Molecular FrameworkAliphatic acyclic compounds
Substituents Carbonic acid derivative - Organic oxygen compound - Organic oxide - Hydrocarbon derivative - Organooxygen compound - Organochloride - Organohalogen compound - Carbonyl group - Aliphatic acyclic compound
DescriptionThis compound belongs to the class of organic compounds known as organic carbonic acids and derivatives. These are compounds comprising the organic carbonic acid or a derivative thereof.
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.

15 results found

Lot NumberCertificate TypeDateItem
D2627055Certificate of AnalysisMay 22, 2026 I105738
I2126059Certificate of AnalysisJul 15, 2025 I105738
I2126061Certificate of AnalysisJul 15, 2025 I105738
I2126281Certificate of AnalysisJul 15, 2025 I105738
I1924161Certificate of AnalysisJul 11, 2023 I105738
A2304377Certificate of AnalysisNov 26, 2022 I105738
A2304378Certificate of AnalysisNov 26, 2022 I105738
A2304379Certificate of AnalysisNov 26, 2022 I105738
B2624222Certificate of AnalysisNov 26, 2022 I105738
E2409089Certificate of AnalysisNov 26, 2022 I105738
F2303019Certificate of AnalysisNov 26, 2022 I105738
F2526073Certificate of AnalysisNov 26, 2022 I105738
H2525101Certificate of AnalysisNov 26, 2022 I105738
B2512045Certificate of AnalysisAug 18, 2021 I105738
I2221028Certificate of AnalysisAug 18, 2021 I105738

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Chemical and Physical Properties
SolubilityImmiscible with water.
SensitivityMoisture & Heat sensitive
Refractive Index1.406
Flash Point(°F)96.8 °F
Flash Point(°C)35°C(lit.)
Boil Point(°C)129°C
Melt Point(°C)-80°C
Molecular Weight136.580 g/mol
XLogP32.800
Hydrogen Bond Donor Count0
Hydrogen Bond Acceptor Count2
Rotatable Bond Count3
Exact Mass136.029 Da
Monoisotopic Mass136.029 Da
Topological Polar Surface Area26.300 Ų
Heavy Atom Count8
Formal Charge0
Complexity80.500
Isotope Atom Count0
Defined Atom Stereocenter Count0
Undefined Atom Stereocenter Count0
Defined Bond Stereocenter Count0
Undefined Bond Stereocenter Count0
The total count of all stereochemical bonds0
Covalently-Bonded Unit Count1
Documents & Articles
Citations of This Product
References
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10. Yang Jiachuan, Yang Qian, Deng Jiaqi, Tao Zhexuan, Hua Xiude, Wang Minghua.  (2018)  Development of immunochromatographic assays for the detection of imidacloprid in soil chemical barrier.  ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH,  25  (26): (26617-26624).  [PMID:29998448] [10.1007/s11356-018-2707-6]
11. Qiyi He, Xiping Cui, Ding Shen, Yingshan Chen, Zhengyun Jiang, Rui Lv, Sergei A. Eremin, Suqing Zhao.  (2018)  Development of a simple, rapid and high-throughput fluorescence polarization immunoassay for glycocholic acid in human urine.  JOURNAL OF PHARMACEUTICAL AND BIOMEDICAL ANALYSIS,      [PMID:29945060] [10.1016/j.jpba.2018.06.023]
12. Xueyu Zhao, Gaochao Lv, Ying Peng, Qingzhu Liu, Xi Li, Shanshan Wang, Ke Li, Ling Qiu, Jianguo Lin.  (2018)  Targeted Delivery of an Activatable Fluorescent Probe for the Detection of Furin Activity in Living Cells.  CHEMBIOCHEM,  19  (10): (1060-1065).  [PMID:29465834] [10.1002/cbic.201800015]
13. Ding Shen, Jie Zheng, Xiping Cui, Yingshan Chen, Qiyi He, Rui Lv, Zhaoxia Li, Suqing Zhao.  (2017)  Analysis of cholyglycine acid as a biomarker for the early diagnosis of liver disease by fluorescence polarization immunoassay.  SENSORS AND ACTUATORS B-CHEMICAL,      [PMID:] [10.1016/j.snb.2017.10.013]
14. Bing Wang, Rui-Mo Zhao, Ji Zhang, Yan-Hong Liu, Zheng Huang, Qing-Ying Yu, Xiao-Qi Yu.  (2017)  Rigid aromatic linking moiety in cationic lipids for enhanced gene transfection efficiency.  EUROPEAN JOURNAL OF MEDICINAL CHEMISTRY,      [PMID:28550810] [10.1016/j.ejmech.2017.05.038]
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16. Jie Huang, Changrong Ou, Fangying Lv, Yuting Cao, Haiqing Tang, You Zhou, Ning Gan.  (2016)  Determination of aliphatic amines in food by on-fiber derivatization solid-phase microextraction with a novel zeolitic imidazolate framework 8-coated stainless steel fiber.  TALANTA,      [PMID:28153261] [10.1016/j.talanta.2016.12.075]
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19. Tao Xing, Bin Lai, Lifeng Yan.  (2012)  Disulfide Cross-Linked Polypeptide Nanogel Conjugated with a Fluorescent Probe as a Potential Image-Guided Drug-Delivery Agent.  MACROMOLECULAR CHEMISTRY AND PHYSICS,  214  (5): (578-588).  [PMID:] [10.1002/macp.201200568]
20. Xuan Yuan, Lijia Liu, Yudan Wang, Qian Jiang, Yufeng Shi, Guan Wang.  (2024)  Tyrosine-based branched polybenzoxazines with antibacterial and surface fouling released performances for marine antifouling coatings.  PROGRESS IN ORGANIC COATINGS,      [PMID:] [10.1016/j.porgcoat.2024.108978]
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