45Z95309RP 6359-85-9 Acid Yellow 25 C.I. Acid Yellow 25, monosodium salt (8CI) Sodium 4-(3-methyl-4-(4-methyl-3-(phenylaminosulphonyl)phenylazo)-5-hydroxypyrazol-1-yl)benzenesulphonate Benzenesulfonic acid, 4-(4,5-dihydro-3-methyl-4-(2-(4-methyl-3-((phenylamino)sulfonyl)phenyl)diazenyl)-5-oxo-1H-pyrazol-1-yl)-, sodium salt (1:1) Benzenesulfonic acid, 4-(4,5-dihydro-3-methyl-4-((4-methyl-3-((phenylamino)sulfonyl)phenyl)azo)-5-oxo-1H-pyrazol-1-yl)-, monosodium salt C.I. 18835 C.I. Acid Yellow 25 (VAN) Acid Fast Yellow R Acidine Fast Yellow R Amido Fast Yellow R (VAN) Aquamine Yellow RN Belacid Yellow R Cyanine Fast Yellow R Diacid Fast Yellow R EINECS 228-810-1 Erio Fast Yellow RS Erionyl Yellow E-RL Fast Yellow MR Fenazo Light Yellow R Kiton Fast Yellow 2R Lanaperl Yellow R Midlon Yellow R Novamina Yellow R NSC 324572 Optamine Yellow R Oxanal Yellow R 1H-Pyrazole, 5-oxo-4,5-dihydro-3-methyl-4-((3-((phenylamino)sulfonyl)-4-methylphenyl)azo)-1-(4-sulfophenyl)-, sodium salt Suminol Fast Yellow R Sumitomo Fast Yellow R Supracetil Yellow R Supracid Yellow R Supramine Yellow R Supramine Yellow RA Tectilon Yellow 2R Tertracid Yellow R Vondacid Fast Yellow R Xylene Fast Yellow RPN C.I. Acid Yellow 25 UNII-45Z95309RP CAS 6359-85-9

Description

The occurrence of 45Z95309RP 6359-85-9 Acid Yellow 25 C.I. Acid Yellow 25, monosodium salt (8CI) Sodium 4-(3-methyl-4-(4-methyl-3-(phenylaminosulphonyl)phenylazo)-5-hydroxypyrazol-1-yl)benzenesulphonate Benzenesulfonic acid, 4-(4,5-dihydro-3-methyl-4-(2-(4-methyl-3-((phenylamino)sulfonyl)phenyl)diazenyl)-5-oxo-1H-pyrazol-1-yl)-, sodium salt (1:1) Benzenesulfonic acid, 4-(4,5-dihydro-3-methyl-4-((4-methyl-3-((phenylamino)sulfonyl)phenyl)azo)-5-oxo-1H-pyrazol-1-yl)-, monosodium salt C.I. 18835 C.I. Acid Yellow 25 (VAN) Acid Fast Yellow R Acidine Fast Yellow R Amido Fast Yellow R (VAN) Aquamine Yellow RN Belacid Yellow R Cyanine Fast Yellow R Diacid Fast Yellow R EINECS 228-810-1 Erio Fast Yellow RS Erionyl Yellow E-RL Fast Yellow MR Fenazo Light Yellow R Kiton Fast Yellow 2R Lanaperl Yellow R Midlon Yellow R Novamina Yellow R NSC 324572 Optamine Yellow R Oxanal Yellow R 1H-Pyrazole, 5-oxo-4,5-dihydro-3-methyl-4-((3-((phenylamino)sulfonyl)-4-methylphenyl)azo)-1-(4-sulfophenyl)-, sodium salt Suminol Fast Yellow R Sumitomo Fast Yellow R Supracetil Yellow R Supracid Yellow R Supramine Yellow R Supramine Yellow RA Tectilon Yellow 2R Tertracid Yellow R Vondacid Fast Yellow R Xylene Fast Yellow RPN C.I. Acid Yellow 25 UNII-45Z95309RP is closely related to a steroid core, an amide group, a sulfone group, a hydroxyl group, an ether linkage in its molecular formula, which determines its behaviour during synthesis, purification, or degradation.

45Z95309RP 6359-85-9 Acid Yellow 25 C.I. Acid Yellow 25, monosodium salt (8CI) Sodium 4-(3-methyl-4-(4-methyl-3-(phenylaminosulphonyl)phenylazo)-5-hydroxypyrazol-1-yl)benzenesulphonate Benzenesulfonic acid, 4-(4,5-dihydro-3-methyl-4-(2-(4-methyl-3-((phenylamino)sulfonyl)phenyl)diazenyl)-5-oxo-1H-pyrazol-1-yl)-, sodium salt (1:1) Benzenesulfonic acid, 4-(4,5-dihydro-3-methyl-4-((4-methyl-3-((phenylamino)sulfonyl)phenyl)azo)-5-oxo-1H-pyrazol-1-yl)-, monosodium salt C.I. 18835 C.I. Acid Yellow 25 (VAN) Acid Fast Yellow R Acidine Fast Yellow R Amido Fast Yellow R (VAN) Aquamine Yellow RN Belacid Yellow R Cyanine Fast Yellow R Diacid Fast Yellow R EINECS 228-810-1 Erio Fast Yellow RS Erionyl Yellow E-RL Fast Yellow MR Fenazo Light Yellow R Kiton Fast Yellow 2R Lanaperl Yellow R Midlon Yellow R Novamina Yellow R NSC 324572 Optamine Yellow R Oxanal Yellow R 1H-Pyrazole, 5-oxo-4,5-dihydro-3-methyl-4-((3-((phenylamino)sulfonyl)-4-methylphenyl)azo)-1-(4-sulfophenyl)-, sodium salt Suminol Fast Yellow R Sumitomo Fast Yellow R Supracetil Yellow R Supracid Yellow R Supramine Yellow R Supramine Yellow RA Tectilon Yellow 2R Tertracid Yellow R Vondacid Fast Yellow R Xylene Fast Yellow RPN C.I. Acid Yellow 25 UNII-45Z95309RP (CAS 6359-85-9) is a high-purity analytical reference standard with the molecular formula C23H42N5O6S2Na and a molecular weight of 571.73 g/mol.

Owing to a steroid core, an amide group, a sulfone group, a hydroxyl group, an ether linkage, 45Z95309RP 6359-85-9 Acid Yellow 25 C.I. Acid Yellow 25, monosodium salt (8CI) Sodium 4-(3-methyl-4-(4-methyl-3-(phenylaminosulphonyl)phenylazo)-5-hydroxypyrazol-1-yl)benzenesulphonate Benzenesulfonic acid, 4-(4,5-dihydro-3-methyl-4-(2-(4-methyl-3-((phenylamino)sulfonyl)phenyl)diazenyl)-5-oxo-1H-pyrazol-1-yl)-, sodium salt (1:1) Benzenesulfonic acid, 4-(4,5-dihydro-3-methyl-4-((4-methyl-3-((phenylamino)sulfonyl)phenyl)azo)-5-oxo-1H-pyrazol-1-yl)-, monosodium salt C.I. 18835 C.I. Acid Yellow 25 (VAN) Acid Fast Yellow R Acidine Fast Yellow R Amido Fast Yellow R (VAN) Aquamine Yellow RN Belacid Yellow R Cyanine Fast Yellow R Diacid Fast Yellow R EINECS 228-810-1 Erio Fast Yellow RS Erionyl Yellow E-RL Fast Yellow MR Fenazo Light Yellow R Kiton Fast Yellow 2R Lanaperl Yellow R Midlon Yellow R Novamina Yellow R NSC 324572 Optamine Yellow R Oxanal Yellow R 1H-Pyrazole, 5-oxo-4,5-dihydro-3-methyl-4-((3-((phenylamino)sulfonyl)-4-methylphenyl)azo)-1-(4-sulfophenyl)-, sodium salt Suminol Fast Yellow R Sumitomo Fast Yellow R Supracetil Yellow R Supracid Yellow R Supramine Yellow R Supramine Yellow RA Tectilon Yellow 2R Tertracid Yellow R Vondacid Fast Yellow R Xylene Fast Yellow RPN C.I. Acid Yellow 25 UNII-45Z95309RP is typically off-white to pale yellow crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 571.73 g/mol — guide the selection of appropriate sample preparation and analytical techniques. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).

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

CATO manufactures 45Z95309RP 6359-85-9 Acid Yellow 25 C.I. Acid Yellow 25, monosodium salt (8CI) Sodium 4-(3-methyl-4-(4-methyl-3-(phenylaminosulphonyl)phenylazo)-5-hydroxypyrazol-1-yl)benzenesulphonate Benzenesulfonic acid, 4-(4,5-dihydro-3-methyl-4-(2-(4-methyl-3-((phenylamino)sulfonyl)phenyl)diazenyl)-5-oxo-1H-pyrazol-1-yl)-, sodium salt (1:1) Benzenesulfonic acid, 4-(4,5-dihydro-3-methyl-4-((4-methyl-3-((phenylamino)sulfonyl)phenyl)azo)-5-oxo-1H-pyrazol-1-yl)-, monosodium salt C.I. 18835 C.I. Acid Yellow 25 (VAN) Acid Fast Yellow R Acidine Fast Yellow R Amido Fast Yellow R (VAN) Aquamine Yellow RN Belacid Yellow R Cyanine Fast Yellow R Diacid Fast Yellow R EINECS 228-810-1 Erio Fast Yellow RS Erionyl Yellow E-RL Fast Yellow MR Fenazo Light Yellow R Kiton Fast Yellow 2R Lanaperl Yellow R Midlon Yellow R Novamina Yellow R NSC 324572 Optamine Yellow R Oxanal Yellow R 1H-Pyrazole, 5-oxo-4,5-dihydro-3-methyl-4-((3-((phenylamino)sulfonyl)-4-methylphenyl)azo)-1-(4-sulfophenyl)-, sodium salt Suminol Fast Yellow R Sumitomo Fast Yellow R Supracetil Yellow R Supracid Yellow R Supramine Yellow R Supramine Yellow RA Tectilon Yellow 2R Tertracid Yellow R Vondacid Fast Yellow R Xylene Fast Yellow RPN C.I. Acid Yellow 25 UNII-45Z95309RP under ISO 17034:2016 accreditation with dual CNAS and ANAB accreditation. Each batch is characterized by orthogonal methods and supplied with a full Certificate of Analysis (COA), ensuring metrological traceability.

Physical & Chemical Properties

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