Methylene Blue Related Products

SynZeal is a leading innovator in pharmaceutical reference standards. We supply high-quality Reference Standards of Methylene Blue, pharmacopeial and non-pharmacopeial Methylene Blue impurities, metabolites, stable isotope products, and nitrosamines (N-NO products). Methylene Blue impurities reference standards are useful in pharmaceutical research. They are useful in product development, ANDA and DMF filing, quality control (QC), method validation, and stability studies. It is also useful in the identification of unknown impurities and the assessment of genotoxic potential.

Methylene Blue-related products are thoroughly characterized. Methylene Blue products are supplied with detailed COA & analytical data meeting regulatory compliance. We can also provide EP/USP traceable standards based on your requirements. The supplied products are re-tested at regular intervals.

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Azure A (USP)

• SZ CAT No: SZ-M114002

• CAS No:

  531-53-3

• Mol.F.: C14H14N3S : Cl
• Mol.Wt.: 256.3 : 35.5
• Inv. Status: Synthesis on demand
• Rel. CAS No: 29120-23-8 (free base)

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Azure A Isomer

• SZ CAT No: SZ-M114004

• CAS No:

  34185-21-2

• Mol.F.: C14H14N3S : Cl
• Mol.Wt.: 256.3 : 35.5
• Inv. Status: Synthesis on demand
• Rel. CAS No: 39093-22-6 (free base)

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Azure B (USP)

• SZ CAT No: SZ-M114008

• CAS No:

  531-55-5

• Mol.F.: C15H16N3S : Cl
• Mol.Wt.: 270.4 : 35.5
• Inv. Status: Synthesis on demand
• Rel. CAS No: 29260-45-5 (free base)

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Azure C (USP)

• SZ CAT No: SZ-M114003

• CAS No:

  531-57-7

• Mol.F.: C13H12N3S : Cl
• Mol.Wt.: 242.3 : 35.5
• Inv. Status: Synthesis on demand
• Rel. CAS No: 30719-07-4 (free base)

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Benzoyl Leuco Methylene Blue

• SZ CAT No: SZ-M114006

• CAS No:

  1249-97-4

• Mol.F.: C23H23N3OS
• Mol.Wt.: 389.5
• Inv. Status: Synthesis on demand

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Hydroxy Methylene Blue

• SZ CAT No: SZ-M114015

• CAS No:

  NA

• Mol.F.: C16H19N3OS
• Mol.Wt.: 301.4
• Inv. Status: Synthesis on demand

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Leucomethylene Blue

• SZ CAT No: SZ-M114014

• CAS No:

  613-11-6

• Mol.F.: C16H19N3S
• Mol.Wt.: 285.4
• Inv. Status: Synthesis on demand
• Rel. CAS No: 93798-32-4 (HCl salt) ; 951131-10-5 (2HCl salt) ; 951131-15-0 (2HBr salt)

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Methylene Blue

• SZ CAT No: SZ-M114001

• CAS No:

  122965-43-9

• Mol.F.: C16H18N3S : Cl : H2O
• Mol.Wt.: 284.4 : 35.5 : 18.0
• Inv. Status: Synthesis on demand
• Rel. CAS No: 7060-82-4 (free base)

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Methylene Blue Impurity 1

• SZ CAT No: SZ-M114007

• CAS No:

  NA

• Mol.F.: C16H17ClN3S : Cl
• Mol.Wt.: 318.8 : 35.5
• Inv. Status: Synthesis on demand

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Methylene Blue Impurity 2

• SZ CAT No: SZ-M114010

• CAS No:

  65517-31-9

• Mol.F.: C8H12N2O2S2
• Mol.Wt.: 232.3
• Inv. Status: Synthesis on demand

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Methylene Blue Impurity 3

• SZ CAT No: SZ-M114011

• CAS No:

  43035-11-6

• Mol.F.: C8H12N2O3S2
• Mol.Wt.: 248.3
• Inv. Status: Synthesis on demand
• Rel. CAS No: 1010862-16-4 (sodium salt)

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Methylene Blue Impurity 4

• SZ CAT No: SZ-M114013

• CAS No:

  1698876-57-1

• Mol.F.: C16H19N3O3S2
• Mol.Wt.: 365.5
• Inv. Status: Synthesis on demand

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Methylene Blue Impurity 5

• SZ CAT No: SZ-M114017

• CAS No:

  2222707-89-1

• Mol.F.: C14H13N2OS
• Mol.Wt.: 257.3
• Inv. Status: Synthesis on demand

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Methylene Blue Impurity 6

• SZ CAT No: SZ-M114019

• CAS No:

  126656-05-1

• Mol.F.: C8H12N2O3S2
• Mol.Wt.: 248.3
• Inv. Status: Synthesis on demand

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Methylene Blue Impurity 7

• SZ CAT No: SZ-M114020

• CAS No:

  NA

• Mol.F.: C16H21N3O3S2
• Mol.Wt.: 367.5
• Inv. Status: Synthesis on demand

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Methylene Violet

• SZ CAT No: SZ-M114009

• CAS No:

  2516-05-4

• Mol.F.: C14H12N2OS
• Mol.Wt.: 256.3
• Inv. Status: Synthesis on demand
• Rel. CAS No: 1242769-80-7 (trihydrochloride)

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Thionine

• SZ CAT No: SZ-M114016

• CAS No:

  26754-93-8

• Mol.F.: C12H10N3S
• Mol.Wt.: 228.3
• Inv. Status: Synthesis on demand
• Rel. CAS No: 581-64-6 (chloride)

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Thiosulfonic Acid Bindschedler Green (V)

• SZ CAT No: SZ-M114005

• CAS No:

  15967-15-4

• Mol.F.: C16H20N3O3S2
• Mol.Wt.: 366.5
• Inv. Status: Synthesis on demand

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N-Nitroso Azure B (USP)

• SZ CAT No: SZ-M114012

• CAS No:

  NA

• Mol.F.: C15H15N4OS
• Mol.Wt.: 299.4
• Inv. Status: Synthesis on demand

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N-Nitroso Azure C

• SZ CAT No: SZ-M114018

• CAS No:

  NA

• Mol.F.: C13H11N4OS : Cl
• Mol.Wt.: 271.3 : 35.5
• Inv. Status: Synthesis on demand

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N-Nitroso Azure B D3

• SZ CAT No: SZ-M114D01

• CAS No:

  NA

• Mol.F.: C15H12D3N4OS
• Mol.Wt.: 302.4
• Inv. Status: Synthesis on demand