Phenyl isothiocyanate(PITC) - for protein sequencing, ≥99% , CAS No.103-72-0

CAS: 103-72-0 Cat. No.: P110635 Molecular Weight: 135.19 Beilstein Registry Number: 471392 EC Number: 203-138-1
AVAILABLE TO ORDER
GRADE & PURITY for Protein sequencing ? Protein-sequencing grade — ultra-clean reagents for Edman/MS sequencing. Use where contaminants would obscure sequence determination. ≥99%
Synonyms
Phenyl isothiocyanate, Sigma Grade, 8.36 M, suitable for solid phase protein sequencing analysis, >=99% (GC), liquid | Phenyl thioisocyanate | AI3-09310 | BCP22726 | STL281854 | A800790 | Phenyl sothocyanate | Phenylsenfoel [German] | Phenyl isothiocyanat
Storage
Store at 2-8°C
Shipped In
Wet ice,FedEx DG Service
 ·  off list, applied to all prices below.
Size
Status
Price
Qty
5ml
P110635-5ml
3
$29.90
25ml
P110635-25ml
1
$139.90
100ml
P110635-100ml
8-12 wks(?) Production requires sourcing of materials. We appreciate your patience and understanding.
$369.90
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Why this grade

for protein sequencing, ≥99% for Protein sequencing for sensitive chromatographic and analytical workflows requiring minimal baseline interference.

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Storage & shipping

Store at 2-8°C Ships Wet ice,FedEx DG Service Check lot-specific COA for exact specifications.

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Quality documents

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

📚

Literature proof

Cited in 37 peer-reviewed publications across chromatography, organic synthesis, and cross-coupling reactions.

Specifications

Synonyms
Phenyl isothiocyanate, Sigma Grade, 8.36 M, suitable for solid phase protein sequencing analysis, >=99% (GC), liquid | Phenyl thioisocyanate | AI3-09310 | BCP22726 | STL281854 | A800790 | Phenyl sothocyanate | Phenylsenfoel [German] | Phenyl isothiocyanat
Specifications & Purity
for protein sequencing, ≥99%
Storage
Store at 2-8°C
Shipped In
Wet ice, FedEx DG Service
This product requires cold chain shipping. Ground and other economy services are not available.
Grade
for Protein sequencing
Purity
≥99%
Names and Identifiers
Canonical SmilesC1=CC=C(C=C1)N=C=S
IUPAC Nameisothiocyanatobenzene
InChIKeyQKFJKGMPGYROCL-UHFFFAOYSA-N
INCHI1S/C7H5NS/c9-6-8-7-4-2-1-3-5-7/h1-5H
Isomeric SMILES C1=CC=C(C=C1)N=C=S
WGK Germany 3
RTECS NX9275000
UN Number 2927
Packing Group II
Molecular Weight 135.19
Beilstein 471392
Reaxy-Rn 471392
Reaxys-RN_link_address https://www.reaxys.com/reaxys/secured/hopinto.do?context=S&query=IDE.XRN=471392&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
SuperclassBenzenoids
ClassBenzene and substituted derivatives
SubclassNot available
Intermediate Tree Nodes Not available
Direct ParentBenzene and substituted derivatives
Alternative Parents Isothiocyanates  Propargyl-type 1,3-dipolar organic compounds  Organopnictogen compounds  Organonitrogen compounds  Hydrocarbon derivatives  
Molecular FrameworkAromatic homomonocyclic compounds
Substituents Monocyclic benzene moiety - Isothiocyanate - Organic 1,3-dipolar compound - Propargyl-type 1,3-dipolar organic compound - Organic nitrogen compound - Organopnictogen compound - Hydrocarbon derivative - Organosulfur compound - Organonitrogen compound - Aromatic homomonocyclic compound
DescriptionThis compound belongs to the class of organic compounds known as benzene and substituted derivatives. These are aromatic compounds containing one monocyclic ring system consisting of benzene.
External Descriptors isothiocyanate
3D Structure
Interactive Chemical Structure Model





Associated Targets(Human)
AKR1B1 Tclin Aldose reductase (1404 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
MIF Tchem Macrophage migration inhibitory factor (979 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
CTSB Tchem Cathepsin B (3822 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
TP53 Tchem Cellular tumor antigen p53 (48468 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
HepG2 (196354 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
Associated Targets(non-human)
Ptpn1 Protein-tyrosine phosphatase 1B (270 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
Sclerotinia sclerotiorum (877 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
Mechanisms of Action
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.

8 results found

Lot NumberCertificate TypeDateItem
G2522064Certificate of AnalysisJul 31, 2025 P110635
G2522065Certificate of AnalysisJul 31, 2025 P110635
G2522066Certificate of AnalysisJul 30, 2025 P110635
E2409081Certificate of AnalysisNov 21, 2022 P110635
L2205578Certificate of AnalysisNov 21, 2022 P110635
L2205748Certificate of AnalysisNov 21, 2022 P110635
L2205749Certificate of AnalysisNov 21, 2022 P110635
D1810003Certificate of AnalysisFeb 21, 2022 P110635
Chemical and Physical Properties
SolubilityInsoluble in water, soluble in alcohol and ether.
SensitivityMoisture Sensitive;heat sensitive
Refractive Index1.64918
Flash Point(°F)190.4 °F
Flash Point(°C)87℃
Boil Point(°C)221°C
Melt Point(°C)-21°C
Molecular Weight135.190 g/mol
XLogP33.300
Hydrogen Bond Donor Count0
Hydrogen Bond Acceptor Count2
Rotatable Bond Count1
Exact Mass135.014 Da
Monoisotopic Mass135.014 Da
Topological Polar Surface Area44.500 Ų
Heavy Atom Count9
Formal Charge0
Complexity121.000
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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17. Miaomiao Hong, Xiangyu Lu, Yuhua Chen, Dongmei Xu.  (2016)  A novel rhodamine-based colorimetric and fluorescent sensor for Hg2+ in water matrix and living cell.  SENSORS AND ACTUATORS B-CHEMICAL,      [PMID:] [10.1016/j.snb.2016.03.125]
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