6A3LDJ6CL3 99-63-8 1,3-Benzenedicarbonyl chloride Isophthaloyl dichloride 1,3-Benzenedicarbonyl dichloride Isophthaloyl chloride 4-09-00-03295 (Beilstein Handbook Reference) m-Benzenedicarbonyl chloride 1,3-Benzenedicarboxylic acid, dichloride BRN 0638342 Dichlorid kyseliny isoftalove [Czech] EINECS 202-774-7 HSDB 5326 Isophthalic acid chloride Isophthalic acid dichloride Isophthalic chloride Isophthalyl chloride Isophthalyl dichloride Isothaloyl chloride NSC 41884 m-Phthalic dichloride m-Phthaloyl chloride meta-Phthalyl dichloride m-Phthalyl dichloride Dichlorid kyseliny isoftalove UNII-6A3LDJ6CL3 EC 202-774-7 CAS 99-63-8

Purity 97%+In StockPharmaceutical Standards
CAS No.99-63-8
Molecular FormulaC8H10Cl2O2
Molecular Weight209.07 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

6A3LDJ6CL3
99-63-8
1,3-Benzenedicarbonyl chloride
Isophthaloyl dichloride
1,3-Benzenedicarbonyl dichloride
Isophthaloyl chloride
4-09-00-03295 (Beilstein Handbook Reference)
m-Benzenedicarbonyl chloride
1,3-Benzenedicarboxylic acid, dichloride
BRN 0638342
Dichlorid kyseliny isoftalove [Czech]
EINECS 202-774-7
HSDB 5326
Isophthalic acid chloride
Isophthalic acid dichloride
Isophthalic chloride
Isophthalyl chloride
Isophthalyl dichloride
Isothaloyl chloride
NSC 41884
m-Phthalic dichloride
m-Phthaloyl chloride
meta-Phthalyl dichloride
m-Phthalyl dichloride
Dichlorid kyseliny isoftalove
UNII-6A3LDJ6CL3
EC 202-774-7 CAS 99-63-8 chemical structure

Description

As a certified reference material (CRM), 6A3LDJ6CL3 99-63-8 1,3-Benzenedicarbonyl chloride Isophthaloyl dichloride 1,3-Benzenedicarbonyl dichloride Isophthaloyl chloride 4-09-00-03295 (Beilstein Handbook Reference) m-Benzenedicarbonyl chloride 1,3-Benzenedicarboxylic acid, dichloride BRN 0638342 Dichlorid kyseliny isoftalove [Czech] EINECS 202-774-7 HSDB 5326 Isophthalic acid chloride Isophthalic acid dichloride Isophthalic chloride Isophthalyl chloride Isophthalyl dichloride Isothaloyl chloride NSC 41884 m-Phthalic dichloride m-Phthaloyl chloride meta-Phthalyl dichloride m-Phthalyl dichloride Dichlorid kyseliny isoftalove UNII-6A3LDJ6CL3 EC 202-774-7 meets the metrological traceability requirements of ISO/IEC 17025 laboratories. Batch-to-batch consistency is monitored via control charts to guarantee comparable assigned values across lots.

CATO supplies 6A3LDJ6CL3 99-63-8 1,3-Benzenedicarbonyl chloride Isophthaloyl dichloride 1,3-Benzenedicarbonyl dichloride Isophthaloyl chloride 4-09-00-03295 (Beilstein Handbook Reference) m-Benzenedicarbonyl chloride 1,3-Benzenedicarboxylic acid, dichloride BRN 0638342 Dichlorid kyseliny isoftalove [Czech] EINECS 202-774-7 HSDB 5326 Isophthalic acid chloride Isophthalic acid dichloride Isophthalic chloride Isophthalyl chloride Isophthalyl dichloride Isothaloyl chloride NSC 41884 m-Phthalic dichloride m-Phthaloyl chloride meta-Phthalyl dichloride m-Phthalyl dichloride Dichlorid kyseliny isoftalove UNII-6A3LDJ6CL3 EC 202-774-7 (CAS 99-63-8), a certified reference material (molecular formula C8H10Cl2O2, MW 209.07 g/mol) for analytical method development and quality control.

Structurally, 6A3LDJ6CL3 99-63-8 1,3-Benzenedicarbonyl chloride Isophthaloyl dichloride 1,3-Benzenedicarbonyl dichloride Isophthaloyl chloride 4-09-00-03295 (Beilstein Handbook Reference) m-Benzenedicarbonyl chloride 1,3-Benzenedicarboxylic acid, dichloride BRN 0638342 Dichlorid kyseliny isoftalove [Czech] EINECS 202-774-7 HSDB 5326 Isophthalic acid chloride Isophthalic acid dichloride Isophthalic chloride Isophthalyl chloride Isophthalyl dichloride Isothaloyl chloride NSC 41884 m-Phthalic dichloride m-Phthaloyl chloride meta-Phthalyl dichloride m-Phthalyl dichloride Dichlorid kyseliny isoftalove UNII-6A3LDJ6CL3 EC 202-774-7 (C8H10Cl2O2) contains a carboxylic acid group, a hydroxyl group, an ether linkage, chlorine substitution. The molecule exhibits a degree of unsaturation (DBE) of 3.0, corresponding to approximately 3 ring(s) or double-bond equivalent(s). With a molecular weight of 209.07 g/mol, it falls into the medium-molecular-weight range. Halogen substitution (F/Cl/Br/I) produces a distinctive isotope pattern in mass spectrometry, a valuable aid for qualitative confirmation.

Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.

Physical & Chemical Properties

Molecular FormulaC8H10Cl2O2
Molecular Weight209.07 g/mol
Purity97%+
StorageStore at room temperature, keep tightly closed to prevent evaporation
Solubility (reference)Soluble in methanol, acetonitrile, DMSO, water (slightly soluble)
StabilityMay oxidize slowly on prolonged air exposure; Contains ester bond; hydrolyzes under strong alkaline conditions
Degree of Unsaturation (DBE)3.0
UV AbsorptionUV-absorbing
CAS Registry Year (est.)1957
Halogen ContentCl-containing

Recommended Standards

Why CATO?