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Isonicotinic acid 2-(m-sulfobenzylidene) hydrazide, also known as ISA, is a chemical compound with the molecular formula C12H11N3O4S. It is a derivative of isonicotinic acid, featuring a sulfonylbenzylidene group attached to the hydrazide moiety. This yellow crystalline solid is primarily used as a reagent in the detection of aldehydes and ketones, where it forms a colored complex upon reaction. The compound is also known for its potential applications in the synthesis of various pharmaceuticals and agrochemicals, highlighting its importance in the field of organic chemistry.

3691-81-4

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3691-81-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 3691-81-4 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 3,6,9 and 1 respectively; the second part has 2 digits, 8 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 3691-81:
(6*3)+(5*6)+(4*9)+(3*1)+(2*8)+(1*1)=104
104 % 10 = 4
So 3691-81-4 is a valid CAS Registry Number.
InChI:InChI=1/C13H11N3O4S/c17-13(11-4-6-14-7-5-11)16-15-9-10-2-1-3-12(8-10)21(18,19)20/h1-9H,(H,16,17)(H,18,19,20)/b15-9+

3691-81-4SDS

SAFETY DATA SHEETS

According to Globally Harmonized System of Classification and Labelling of Chemicals (GHS) - Sixth revised edition

Version: 1.0

Creation Date: Aug 17, 2017

Revision Date: Aug 17, 2017

1.Identification

1.1 GHS Product identifier

Product name N-Isonicotinoyl-N'-(3-sulfo-benzyliden)-hydrazin

1.2 Other means of identification

Product number -
Other names Isonicotinic acid 2-(m-sulfobenzylidene) hydrazide

1.3 Recommended use of the chemical and restrictions on use

Identified uses For industry use only.
Uses advised against no data available

1.4 Supplier's details

1.5 Emergency phone number

Emergency phone number -
Service hours Monday to Friday, 9am-5pm (Standard time zone: UTC/GMT +8 hours).

More Details:3691-81-4 SDS

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