99479-77-3 Usage
General Description
4-Amino-5-nitro-2-pyridinol is a chemical compound with the molecular formula C5H5N3O3. It is an intermediate in the synthesis of the antiparasitic drug Metronidazole. 4-Amino-5-nitro-2-pyridinol is a pale yellow crystalline solid that is soluble in water and ethanol. It is also used as a reagent in the production of pharmaceuticals and agrochemicals. The compound is classified as a hazardous substance and should be handled with care, as it has the potential to cause irritation to the skin, eyes, and respiratory system. Overall, 4-Amino-5-nitro-2-pyridinol is an important intermediate in the production of various pharmaceutical and agrochemical products.
Check Digit Verification of cas no
The CAS Registry Mumber 99479-77-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,9,4,7 and 9 respectively; the second part has 2 digits, 7 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 99479-77:
(7*9)+(6*9)+(5*4)+(4*7)+(3*9)+(2*7)+(1*7)=213
213 % 10 = 3
So 99479-77-3 is a valid CAS Registry Number.
InChI:InChI=1/C5H5N3O3/c6-3-1-5(9)7-2-4(3)8(10)11/h1-2H,(H3,6,7,9)