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5-Isoquinolinesulfonic acid

HCID 241599
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Basic informationNames & identifiersPropertiesSafety & regulationChemistry & industryRelated reactionsCompound notes
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Basic information

CAS
27655-40-9
Standard SMILES
O=S(=O)(O)c1cccc2cnccc12
InChIKey
YFMJTLUPSMCTOQ-UHFFFAOYSA-N
Molecular formula
C9H7NO3S
Average molar mass
209.22 g/mol
Monoisotopic mass
209.01466426

Names & identifiers

Preferred name
5-Isoquinolinesulfonic acid
IUPAC
isoquinoline-5-sulfonic acid
English name
5-Isoquinolinesulfonic acid
Molecular formula
C9H7NO3S
Molecular weight
209.22

Names & synonyms

5-Isoquinolinesulfonic acid27655-40-9DTXSID7074903NSC 49176RefChem:102989DTXCID2037716YFMJTLUPSMCTOQ-UHFFFAOYSA-NIsoquinoline-5-sulfonic AcidMFCD00134089Fasudil Impurity 7isoquinoline-5-sulphonic acidFasudil impurity
Show more names
0.99Fasudil Impurity 35Isoquinoline-5-sulfo5-Sulphoisoquinoline-5- isoquinolineacidIsoquinoline-5-sulfonicIsoquinolinesulfonic acidisoquinoline-5-sulfonicaci
5-SulfoisoquinolineIsoquinoline-5-sulfonicAcidSCHEMBL117745SCHEMBL7482596SCHEMBL296964945-Isoquinolinesulfonic acid, 95%NSC49176NSC-49176

Database identifiers

CAS
27655-40-9
PubChem CID
241599
DTXSID
DTXSID7074903
EC Number
678-548-0
Nikkaji
J285.772C

Properties

Computed structural properties

XLogP
0.8
Topological polar surface area
75.6 Ų
Hydrogen bond donors
1
Hydrogen bond acceptors
4
Rotatable bonds
1
Heavy atoms
14
Formal charge
0
Complexity
296

Physicochemical properties

Melting point
300 °C · >300 °C (lit.)
Density
1.4048 · 1.4048 (rough estimate)
refractive index
1.5364 · 1.5364 (estimate)
storage temp.
2 · Sealed in dry,2-8°C
solubility
DMSO (Slightly), Methanol (Slightly)
pka
-0.98 · -0.98±0.40(Predicted)
form
Solid
color
White to Almost white
InChI
InChI=1S/C9H7NO3S/c11-14(12,13)9-3-1-2-7-6-10-5-4-8(7)9/h1-6H,(H,11,12,13)
InChIKey
YFMJTLUPSMCTOQ-UHFFFAOYSA-N
SMILES
C1C2=C(C(S(O)(=O)=O)=CC=C2)C=CN=1
CAS DataBase Reference
27655 · 27655-40-9(CAS DataBase Reference)
EPA Substance Registry System
5 · 5-Isoquinolinesulfonic acid (27655-40-9)
UNSPSC Code
12352100 · 12352100
NACRES
22 · NA.22

Safety & regulation

Safety information is for reference only and does not replace the supplier’s Safety Data Sheet (SDS), applicable regulations, or professional assessment.

GHS classification

GHS Classification · 4 items

Danger

H290 (33.3%): May be corrosive to metals [Warning Corrosive to Metals]

P234, P260, P264, P264+P265, P280, P301+P330+P331, P302+P361+P354, P304+P340, P305+P354+P338, P316, P317, P321, P363, P390, P405, P406, and P501 (click each P-code to see the statement)

Aggregated GHS information provided per 3 reports by companies from 3 notifications to the ECHA C&L Inventory. Each notification may be associated with multiple companies.

Hazard information

Regulatory InformationPMN - indicates a commenced PMN (Pre-Manufacture Notices) substance.
Hazard Classes and CategoriesMet. Corr. 1 (33.3%)

Safety data

wgk
1
tsca
TSCA listed
ridadr
UN 2585 8/PG 3
hs_code
29334900
risk_code
49-23-34-24-36/38
Signal word
Danger
Symbol(GHS)
GHS05
hazard_code
T,C,Xi
hazard_note
Toxic
safety_code
53-26-27-36/37/39-45
hazard_class
8
Storage Class
8A - Combustible corrosive hazardous materials
packing_group
III

Chemistry & industry

Uses & manufacturing

General Manufacturing Information5-Isoquinolinesulfonic acid: INACTIVE

Applications

Uses5-Isoquinolinesulfonic acid was used in the synthesis of conjugates of oligoarginine peptides.

Upstream & downstream products

Upstream raw materials

Fuming sulfuric acidIsoquinolineSodium hydroxideSulfuric acidIsoquinoline-5-sulphonyl chloride hydrochlorideN,N-DimethylformamideWaterThionyl chloride

Downstream products

Fasudil hydrochloride

Related reactions

4 records
New reaction record
HRID 442966 reaction equation
HRID 442966As reactantuspto-grants-1999_04
HRID 1977944 reaction equation
HRID 1977944As reactantuspto-grants-2001_05
HRID 2118497 reaction equation
HRID 2118497As reactantuspto-grants-1987_07
HRID 2219190 reaction equation
HRID 2219190As reactantuspto-grants-2008_08

Compound notes

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On this pageBasic informationNames & identifiersPropertiesSafety & regulationChemistry & industryRelated reactionsCompound notes
More actions
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Symbol(GHS)
5 · GHS05
Signal word
Danger
Hazard statements
290 · H290-H314
Precautionary statements
234 · P234-P260-P280-P303+P361+P353-P304+P340+P310-P305+P351+P338
Hazard Codes
T,C,Xi
Risk Statements
49 · 49-23-34-24-36/38
Safety Statements
53 · 53-26-27-36/37/39-45
RIDADR
2585 · UN 2585 8/PG 3
WGK Germany
1 · 1
Hazard Note
Toxic
TSCA
TSCA listed
HazardClass
8 · 8
PackingGroup
III
HS Code
29334900 · 29334900
Storage Class
8 A · 8A - Combustible corrosive hazardous materials
Hazard Classifications
1 Met · Eye Dam. 1Met. Corr. 1Skin Corr. 1B
Limited Quantities
5 kg · 5.0 kg (11 lbs) (solid)
Excepted Quantities
Max Inner Pack (30g or 30ml) and Max Outer Pack (1Kg or 1L)
Hazard statements
H290-H314
Limited Quantities
5.0 kg (11 lbs) (solid)
Excepted Quantities
Max Inner Pack (30g or 30ml) and Max Outer Pack (1Kg or 1L)
Hazard Classifications
Eye Dam. 1Met. Corr. 1Skin Corr. 1B
Precautionary statements
P234-P260-P280-P303+P361+P353-P304+P340+P310-P305+P351+P338