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317861

Sigma-Aldrich

Phenyl isothiocyanate

99%, for protein sequencing

Synonym(s):

PITC

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About This Item

Linear Formula:
C6H5NCS
CAS Number:
103-72-0
Molecular Weight:
135.19
Beilstein:
471392
EC Number:
203-138-1
MDL number:
MFCD00004798
UNSPSC Code:
12352100
PubChem Substance ID:
57648607
NACRES:
NA.21

type

for protein sequencing

Assay

99%

form

liquid

refractive index

n20/D 1.6515 (lit.)

bp

218 °C (lit.)
221 °C

mp

−21 °C (lit.)

solubility

water: insoluble

density

1.132 g/mL at 20 °C (lit.)

storage temp.

2-8°C

SMILES string

S=C=Nc1ccccc1

InChI

1S/C7H5NS/c9-6-8-7-4-2-1-3-5-7/h1-5H

InChI key

QKFJKGMPGYROCL-UHFFFAOYSA-N

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Application

Used for derivatizing N-terminal amino acids of proteins for automated sequential analysis. Synthon for dithiadiazafulvalenes.
Derivatizing reagent for primary and secondary amines. Used in sequencing peptides by Edman degradation and in amino acid analyses by HPLC.

Signal Word

Danger

Hazard Statements

H301,H314,H317,H334

Hazard Classifications

Acute Tox. 3 Oral - Resp. Sens. 1 - Skin Corr. 1B - Skin Sens. 1

Storage Class Code

6.1A - Combustible acute toxic Cat. 1 and 2 / very toxic hazardous materials

WGK

WGK 3

Flash Point(F)

190.4 °F - closed cup

Flash Point(C)

88 °C - closed cup

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

Certificates of Analysis (COA)

Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.

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Journal of the Chemical Society. Chemical Communications, 601-601 (1993)
One-pot dehydrations using phenyl isothiocyanate.
Majetich G, et al.
Tetrahedron Letters, 56(23), 3326-3329 (2015)
Amin Zolali et al.
Combinatorial chemistry & high throughput screening, 17(7), 610-613 (2014-03-19)
An efficient, one-pot and three-component synthesis of biologically important heterocyclic compounds is described from the reaction of primary amines and phenyl isothiocyanate in the presence of acryloyl chloride at room temperature without the need to use any catalyst.
F Lai et al.
BioTechniques, 14(4), 642-649 (1993-04-01)
Pre-column derivatizations of amino acids often present two major challenges: 1) automation, due to the multi-step manipulations for pH control, reagent addition, mixing and extraction, and 2) effect of matrices in the sample such as salts, buffers and surfactants. Both
Graziana Gatto et al.
Neuron, 109(1), 91-104 (2020-11-13)
Cutaneous somatosensory modalities play pivotal roles in generating a wide range of sensorimotor behaviors, including protective and corrective reflexes that dynamically adapt ongoing movement and posture. How interneurons (INs) in the dorsal horn encode these modalities and transform them into
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