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Pharmaceutical Impurity Reference Standards

Nitrosamine Impurities-Challenging NDSRIs

Unknown Impurity-Identification-Isolation-Characterization

Prep-HPLC Isolation-Degradation Impurities of Peptide & Drug Product

Custom Impurity Synthesis-Characterization

About MassChro

About Us

MassChro Laboratories is a leading research-oriented analytical laboratory specializing in Mass Spectrometry and Chromatography. Strengthened by a team of experienced scientists and equipped with state-of-the-art analytical instrumentation facility, including LC-MS Triple Quadrupole Systems, High-Performance Liquid Chromatographs (HPLC), Preparative HPLC (Prep-HPLCs), Lyophilizers and other advanced analytical platforms, we provide ‘Expert One-Stop High-Quality Analytical Solutions’ to the pharmaceutical and life sciences industries.

Our core expertise is the identification, isolation (through Prep-HPLC), purification and comprehensive characterization of ‘unknown / degradation impurities’ in Pharmaceutical APIs, Drug Products & Peptides and Custom Impurity Synthesis, Challenging NDSRIs and its complete characterization. At MassChro Laboratories, we are committed to delivering accurate, reliable and scientifically robust analytical services that support pharmaceutical research, process development, regulatory compliance and product quality.

Services

  • Identification, isolation & structure characterization of unknown / degradation impurities of API / DP.

  • Molecular mass analysis of samples/unknown peaks through LCMS/MSMS technique.

  • DIRECT MASS / FIA (Flow Injection Analysis) MASS analysis for samples

  • Isolation of trace level unknown impurities through Prep-HPLC and its complete characterization.

  • Regulatory queries will be addressed by providing 'Expert-one-stop solutions' along with necessary technical supporting data.

  • Analysis and reporting with data interpretation on the highly sophisticated analytical instruments like LCMS, LCMSMS and QTOF, DSC & TGA, XRD and NMR.

  • Synthesis and supply of Pharmaceutical custom impurities with complete characterization data.

Academic Research Services

MassChro supports academic research scholars with concessions in analysis costs to foster innovation and scientific discovery in the following activities:

Qualitative and Quantitative HPLC analysis

Direct Mass / FIA Mass Analysis

LCMS analysis and qualitative mass data reporting

Identification of molecular masses of phytochemicals present in the extracts of medicinal herbs

Isolation of phytochemicals using prep-HPLC and characterization analysis – based on request

Academic Research and Training

Featured Impurities

View All Products
Acyclovir Impurity A
Acyclovir Impurity A
Status:In Stock
MCL ID:MCL-A1-002
CAS No:102728-64-3
Mol Formula:C10H13N5O4
Exact Mass:267.24 Da
Molecular Weight:267.24 g/mol
View Details
N-Nitroso Desmethyl Lumateperone
N-Nitroso Desmethyl Lumateperone
Status:In Stock
MCL ID:MCL-L8-001
CAS No:NA
Mol Formula:C23H25FN4O2
Exact Mass:408.18 Da
Molecular Weight:408.47 g/mol
View Details
Eflornithine Amidium HCl Impurity
Eflornithine Amidium HCl Impurity
Status:In Stock
MCL ID:MCL-04-006
CAS No:NA
Mol Formula:C13H22F4N4O4 (as .HCl C13H23ClF4N4O4)
Exact Mass:374.16 Da (as . HCl 410.13)
Molecular Weight:374.33 g/mol (as .HCl 410.79 Da)
View Details
Eflornithine Amidium Impurity
Eflornithine Amidium Impurity
Status:In Stock
MCL ID:MCL-04-006
CAS No:NA
Mol Formula:C13H22F4N4O4 (as .HCl C13H23ClF4N4O4)
Exact Mass:374.16 Da (as . HCl 410.13)
Molecular Weight:374.33 g/mol (as .HCl 410.79 Da)
View Details
Eflornithine Lactam HCl
Eflornithine Lactam HCl
Status:In Stock
MCL ID:MCL-04-005
CAS No:70470-98-3 (Free Base) 501011-49-0 (HC Salt)
Mol Formula:C6H10F2N20.HCl
Exact Mass:164.08 Da (as .HCl 200.05)
Molecular Weight:164.15 g/mol (as .HCl 200.61)
View Details
Ornithine Hydrochloride
Ornithine Hydrochloride
Status:In Stock
MCL ID:MCL-O4-001
CAS No:3184-13-2
Mol Formula:C5H12N2O2
Exact Mass:132.09 Da (as .HCl 168.07)
Molecular Weight:132.16 g/mol (as .HCl 168.62)
View Details
Eflornithine Lactam Hydrochloride
Eflornithine Lactam Hydrochloride
Status:In Stock
MCL ID:MCL-04-005
CAS No:70470-98-3 (Free Base) 501011-49-0 (HC Salt)
Mol Formula:C6H10F2N20.HCl
Exact Mass:164.08 Da (as .HCl 200.05)
Molecular Weight:164.15 g/mol (as .HCl 200.61)
View Details
Ornithine Lactam Hydrochloride
Ornithine Lactam Hydrochloride
Status:In Stock
MCL ID:MCL-O4-004
CAS No:NA
Mol Formula:C5H10N2O
Exact Mass:114.08 Da (as .HCl 150.06)
Molecular Weight:114.15 g/mol (as .HCl 150.61)
View Details
Ornithine Lactam
Ornithine Lactam
Status:In Stock
MCL ID:MCL-O4-003
CAS No:1892-22-4
Mol Formula:C5H10N2O
Exact Mass:114.08 Da
Molecular Weight:114.15 g/mol
View Details
Ornithine Methyl Ester
Ornithine Methyl Ester
Status:In Stock
MCL ID:MCL-O4-002
CAS No:40216-82-8
Mol Formula:C6H14N2O2
Exact Mass:146.11 Da (as .2HCl 218.06)
Molecular Weight:146.19 g/mol (as .2HCl 219.11)
View Details
Momelotinib Amide Impurity
Momelotinib Amide Impurity
Status:In Stock
MCL ID:MCL-M5-003
CAS No:2489681-88-9
Mol Formula:C23H24N6O3
Exact Mass:432.19 Da
Molecular Weight:432.48 g/mol
View Details
Momelotinib Methyl Ester Impurity 2
Momelotinib Methyl Ester Impurity 2
Status:In Stock
MCL ID:MCL-M5-005
CAS No:NA
Mol Formula:C24H25N5O4
Exact Mass:447.19 Da
Molecular Weight:447.49 g/mol
View Details
Momelotinib Methyl Ester Impurity 1
Momelotinib Methyl Ester Impurity 1
Status:In Stock
MCL ID:MCL-M5-004
CAS No:945749-75-7
Mol Formula:C22H22N4O3
Exact Mass:390.17 Da
Molecular Weight:390.44 g/mol
View Details
Momelotinib Acid Impurity 2
Momelotinib Acid Impurity 2
Status:In Stock
MCL ID:MCL-M5-002
CAS No:NA
Mol Formula:C23H23N5O4
Exact Mass:433.18 Da
Molecular Weight:433.46 g/mol
View Details
Momelotinib Acid Impurity 1
Momelotinib Acid Impurity 1
Status:In Stock
MCL ID:MCL-M5-001
CAS No:945749-71-3
Mol Formula:C21H20N4O3
Exact Mass:376.15 Da
Molecular Weight:376.41 g/mol
View Details
N-Nitroso Brimonidine
N-Nitroso Brimonidine
Status:In Stock
MCL ID:MCL-B3-001
CAS No:NA
Mol Formula:C11H9BrN6O
Exact Mass:320.00 Da
Molecular Weight:N/A
View Details
Ribociclib Degradation Product 10
Ribociclib Degradation Product 10
Status:Limited Stock
MCL ID:MCL-R1-005
CAS No:3027550-97-3
Mol Formula:C22H27N7O2
Exact Mass:421.22 Da
Molecular Weight:N/A
View Details
Ribociclib Degradation Product 9
Ribociclib Degradation Product 9
Status:Limited Stock
MCL ID:MCL-R1-004
CAS No:3027550-96-2
Mol Formula:C22H28N8O2
Exact Mass:436.23 Da
Molecular Weight:N/A
View Details
Ribociclib Degradation Product 8
Ribociclib Degradation Product 8
Status:Limited Stock
MCL ID:MCL-R1-003
CAS No:2460732-08-3
Mol Formula:C24H30N8O2
Exact Mass:462.25 Da
Molecular Weight:N/A
View Details
Ribociclib Degradation Product 3
Ribociclib Degradation Product 3
Status:Limited Stock
MCL ID:MCL-R1-002
CAS No:2460738-27-4
Mol Formula:C21H28N8O
Exact Mass:408.24 Da
Molecular Weight:N/A
View Details
Acyclovir Impurity A
Acyclovir Impurity A
Status:In Stock
MCL ID:MCL-A1-002
CAS No:102728-64-3
Mol Formula:C10H13N5O4
Exact Mass:267.24 Da
Molecular Weight:267.24 g/mol
View Details
N-Nitroso Desmethyl Lumateperone
N-Nitroso Desmethyl Lumateperone
Status:In Stock
MCL ID:MCL-L8-001
CAS No:NA
Mol Formula:C23H25FN4O2
Exact Mass:408.18 Da
Molecular Weight:408.47 g/mol
View Details
Eflornithine Amidium HCl Impurity
Eflornithine Amidium HCl Impurity
Status:In Stock
MCL ID:MCL-04-006
CAS No:NA
Mol Formula:C13H22F4N4O4 (as .HCl C13H23ClF4N4O4)
Exact Mass:374.16 Da (as . HCl 410.13)
Molecular Weight:374.33 g/mol (as .HCl 410.79 Da)
View Details
Eflornithine Amidium Impurity
Eflornithine Amidium Impurity
Status:In Stock
MCL ID:MCL-04-006
CAS No:NA
Mol Formula:C13H22F4N4O4 (as .HCl C13H23ClF4N4O4)
Exact Mass:374.16 Da (as . HCl 410.13)
Molecular Weight:374.33 g/mol (as .HCl 410.79 Da)
View Details
Eflornithine Lactam HCl
Eflornithine Lactam HCl
Status:In Stock
MCL ID:MCL-04-005
CAS No:70470-98-3 (Free Base) 501011-49-0 (HC Salt)
Mol Formula:C6H10F2N20.HCl
Exact Mass:164.08 Da (as .HCl 200.05)
Molecular Weight:164.15 g/mol (as .HCl 200.61)
View Details
Ornithine Hydrochloride
Ornithine Hydrochloride
Status:In Stock
MCL ID:MCL-O4-001
CAS No:3184-13-2
Mol Formula:C5H12N2O2
Exact Mass:132.09 Da (as .HCl 168.07)
Molecular Weight:132.16 g/mol (as .HCl 168.62)
View Details
Eflornithine Lactam Hydrochloride
Eflornithine Lactam Hydrochloride
Status:In Stock
MCL ID:MCL-04-005
CAS No:70470-98-3 (Free Base) 501011-49-0 (HC Salt)
Mol Formula:C6H10F2N20.HCl
Exact Mass:164.08 Da (as .HCl 200.05)
Molecular Weight:164.15 g/mol (as .HCl 200.61)
View Details
Ornithine Lactam Hydrochloride
Ornithine Lactam Hydrochloride
Status:In Stock
MCL ID:MCL-O4-004
CAS No:NA
Mol Formula:C5H10N2O
Exact Mass:114.08 Da (as .HCl 150.06)
Molecular Weight:114.15 g/mol (as .HCl 150.61)
View Details
Ornithine Lactam
Ornithine Lactam
Status:In Stock
MCL ID:MCL-O4-003
CAS No:1892-22-4
Mol Formula:C5H10N2O
Exact Mass:114.08 Da
Molecular Weight:114.15 g/mol
View Details
Ornithine Methyl Ester
Ornithine Methyl Ester
Status:In Stock
MCL ID:MCL-O4-002
CAS No:40216-82-8
Mol Formula:C6H14N2O2
Exact Mass:146.11 Da (as .2HCl 218.06)
Molecular Weight:146.19 g/mol (as .2HCl 219.11)
View Details
Momelotinib Amide Impurity
Momelotinib Amide Impurity
Status:In Stock
MCL ID:MCL-M5-003
CAS No:2489681-88-9
Mol Formula:C23H24N6O3
Exact Mass:432.19 Da
Molecular Weight:432.48 g/mol
View Details
Momelotinib Methyl Ester Impurity 2
Momelotinib Methyl Ester Impurity 2
Status:In Stock
MCL ID:MCL-M5-005
CAS No:NA
Mol Formula:C24H25N5O4
Exact Mass:447.19 Da
Molecular Weight:447.49 g/mol
View Details
Momelotinib Methyl Ester Impurity 1
Momelotinib Methyl Ester Impurity 1
Status:In Stock
MCL ID:MCL-M5-004
CAS No:945749-75-7
Mol Formula:C22H22N4O3
Exact Mass:390.17 Da
Molecular Weight:390.44 g/mol
View Details
Momelotinib Acid Impurity 2
Momelotinib Acid Impurity 2
Status:In Stock
MCL ID:MCL-M5-002
CAS No:NA
Mol Formula:C23H23N5O4
Exact Mass:433.18 Da
Molecular Weight:433.46 g/mol
View Details
Momelotinib Acid Impurity 1
Momelotinib Acid Impurity 1
Status:In Stock
MCL ID:MCL-M5-001
CAS No:945749-71-3
Mol Formula:C21H20N4O3
Exact Mass:376.15 Da
Molecular Weight:376.41 g/mol
View Details
N-Nitroso Brimonidine
N-Nitroso Brimonidine
Status:In Stock
MCL ID:MCL-B3-001
CAS No:NA
Mol Formula:C11H9BrN6O
Exact Mass:320.00 Da
Molecular Weight:N/A
View Details
Ribociclib Degradation Product 10
Ribociclib Degradation Product 10
Status:Limited Stock
MCL ID:MCL-R1-005
CAS No:3027550-97-3
Mol Formula:C22H27N7O2
Exact Mass:421.22 Da
Molecular Weight:N/A
View Details
Ribociclib Degradation Product 9
Ribociclib Degradation Product 9
Status:Limited Stock
MCL ID:MCL-R1-004
CAS No:3027550-96-2
Mol Formula:C22H28N8O2
Exact Mass:436.23 Da
Molecular Weight:N/A
View Details
Ribociclib Degradation Product 8
Ribociclib Degradation Product 8
Status:Limited Stock
MCL ID:MCL-R1-003
CAS No:2460732-08-3
Mol Formula:C24H30N8O2
Exact Mass:462.25 Da
Molecular Weight:N/A
View Details
Ribociclib Degradation Product 3
Ribociclib Degradation Product 3
Status:Limited Stock
MCL ID:MCL-R1-002
CAS No:2460738-27-4
Mol Formula:C21H28N8O
Exact Mass:408.24 Da
Molecular Weight:N/A
View Details
Acyclovir Impurity A
Acyclovir Impurity A
Status:In Stock
MCL ID:MCL-A1-002
CAS No:102728-64-3
Mol Formula:C10H13N5O4
Exact Mass:267.24 Da
Molecular Weight:267.24 g/mol
View Details
N-Nitroso Desmethyl Lumateperone
N-Nitroso Desmethyl Lumateperone
Status:In Stock
MCL ID:MCL-L8-001
CAS No:NA
Mol Formula:C23H25FN4O2
Exact Mass:408.18 Da
Molecular Weight:408.47 g/mol
View Details
Eflornithine Amidium HCl Impurity
Eflornithine Amidium HCl Impurity
Status:In Stock
MCL ID:MCL-04-006
CAS No:NA
Mol Formula:C13H22F4N4O4 (as .HCl C13H23ClF4N4O4)
Exact Mass:374.16 Da (as . HCl 410.13)
Molecular Weight:374.33 g/mol (as .HCl 410.79 Da)
View Details
Eflornithine Amidium Impurity
Eflornithine Amidium Impurity
Status:In Stock
MCL ID:MCL-04-006
CAS No:NA
Mol Formula:C13H22F4N4O4 (as .HCl C13H23ClF4N4O4)
Exact Mass:374.16 Da (as . HCl 410.13)
Molecular Weight:374.33 g/mol (as .HCl 410.79 Da)
View Details
Eflornithine Lactam HCl
Eflornithine Lactam HCl
Status:In Stock
MCL ID:MCL-04-005
CAS No:70470-98-3 (Free Base) 501011-49-0 (HC Salt)
Mol Formula:C6H10F2N20.HCl
Exact Mass:164.08 Da (as .HCl 200.05)
Molecular Weight:164.15 g/mol (as .HCl 200.61)
View Details
Ornithine Hydrochloride
Ornithine Hydrochloride
Status:In Stock
MCL ID:MCL-O4-001
CAS No:3184-13-2
Mol Formula:C5H12N2O2
Exact Mass:132.09 Da (as .HCl 168.07)
Molecular Weight:132.16 g/mol (as .HCl 168.62)
View Details
Eflornithine Lactam Hydrochloride
Eflornithine Lactam Hydrochloride
Status:In Stock
MCL ID:MCL-04-005
CAS No:70470-98-3 (Free Base) 501011-49-0 (HC Salt)
Mol Formula:C6H10F2N20.HCl
Exact Mass:164.08 Da (as .HCl 200.05)
Molecular Weight:164.15 g/mol (as .HCl 200.61)
View Details
Ornithine Lactam Hydrochloride
Ornithine Lactam Hydrochloride
Status:In Stock
MCL ID:MCL-O4-004
CAS No:NA
Mol Formula:C5H10N2O
Exact Mass:114.08 Da (as .HCl 150.06)
Molecular Weight:114.15 g/mol (as .HCl 150.61)
View Details
Ornithine Lactam
Ornithine Lactam
Status:In Stock
MCL ID:MCL-O4-003
CAS No:1892-22-4
Mol Formula:C5H10N2O
Exact Mass:114.08 Da
Molecular Weight:114.15 g/mol
View Details
Ornithine Methyl Ester
Ornithine Methyl Ester
Status:In Stock
MCL ID:MCL-O4-002
CAS No:40216-82-8
Mol Formula:C6H14N2O2
Exact Mass:146.11 Da (as .2HCl 218.06)
Molecular Weight:146.19 g/mol (as .2HCl 219.11)
View Details
Momelotinib Amide Impurity
Momelotinib Amide Impurity
Status:In Stock
MCL ID:MCL-M5-003
CAS No:2489681-88-9
Mol Formula:C23H24N6O3
Exact Mass:432.19 Da
Molecular Weight:432.48 g/mol
View Details
Momelotinib Methyl Ester Impurity 2
Momelotinib Methyl Ester Impurity 2
Status:In Stock
MCL ID:MCL-M5-005
CAS No:NA
Mol Formula:C24H25N5O4
Exact Mass:447.19 Da
Molecular Weight:447.49 g/mol
View Details
Momelotinib Methyl Ester Impurity 1
Momelotinib Methyl Ester Impurity 1
Status:In Stock
MCL ID:MCL-M5-004
CAS No:945749-75-7
Mol Formula:C22H22N4O3
Exact Mass:390.17 Da
Molecular Weight:390.44 g/mol
View Details
Momelotinib Acid Impurity 2
Momelotinib Acid Impurity 2
Status:In Stock
MCL ID:MCL-M5-002
CAS No:NA
Mol Formula:C23H23N5O4
Exact Mass:433.18 Da
Molecular Weight:433.46 g/mol
View Details
Momelotinib Acid Impurity 1
Momelotinib Acid Impurity 1
Status:In Stock
MCL ID:MCL-M5-001
CAS No:945749-71-3
Mol Formula:C21H20N4O3
Exact Mass:376.15 Da
Molecular Weight:376.41 g/mol
View Details
N-Nitroso Brimonidine
N-Nitroso Brimonidine
Status:In Stock
MCL ID:MCL-B3-001
CAS No:NA
Mol Formula:C11H9BrN6O
Exact Mass:320.00 Da
Molecular Weight:N/A
View Details
Ribociclib Degradation Product 10
Ribociclib Degradation Product 10
Status:Limited Stock
MCL ID:MCL-R1-005
CAS No:3027550-97-3
Mol Formula:C22H27N7O2
Exact Mass:421.22 Da
Molecular Weight:N/A
View Details
Ribociclib Degradation Product 9
Ribociclib Degradation Product 9
Status:Limited Stock
MCL ID:MCL-R1-004
CAS No:3027550-96-2
Mol Formula:C22H28N8O2
Exact Mass:436.23 Da
Molecular Weight:N/A
View Details
Ribociclib Degradation Product 8
Ribociclib Degradation Product 8
Status:Limited Stock
MCL ID:MCL-R1-003
CAS No:2460732-08-3
Mol Formula:C24H30N8O2
Exact Mass:462.25 Da
Molecular Weight:N/A
View Details
Ribociclib Degradation Product 3
Ribociclib Degradation Product 3
Status:Limited Stock
MCL ID:MCL-R1-002
CAS No:2460738-27-4
Mol Formula:C21H28N8O
Exact Mass:408.24 Da
Molecular Weight:N/A
View Details

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