15866-36-1 Usage
General Description
The chemical 2,4-dihydro-4-[(2-hydroxy-4-nitrophenyl)azo]-5-methyl-2-phenyl-3H-pyrazol-3-one, also known as Sudan I, is a synthetic azo dye compound with a bright orange-red color commonly used as a colorant in various products such as industrial dyes, fuels, and polishes. It is also used in the food industry to color oils, waxes, and petrol-based products, but has been banned for use in food and drink in many countries due to its potential health risks. Sudan I has been classified as a possible human carcinogen by the International Agency for Research on Cancer (IARC), and exposure to this chemical has been associated with increased risk of cancer and other adverse health effects. As a result, its use has been restricted in many countries to protect public health and safety.
Check Digit Verification of cas no
The CAS Registry Mumber 15866-36-1 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,5,8,6 and 6 respectively; the second part has 2 digits, 3 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 15866-36:
(7*1)+(6*5)+(5*8)+(4*6)+(3*6)+(2*3)+(1*6)=131
131 % 10 = 1
So 15866-36-1 is a valid CAS Registry Number.
InChI:InChI=1/C16H13N5O4/c1-10-15(16(23)20(19-10)11-5-3-2-4-6-11)18-17-13-8-7-12(21(24)25)9-14(13)22/h2-9,15,18H,1H3/b17-13+
