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12507-77-6

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12507-77-6 Usage

General Description

Nitric acid is a highly corrosive and toxic strong acid, colorless in its pure form but yellowish in solutions due to its decomposition into oxides of nitrogen and water. Also known as aqua fortis and spirit of niter, it has the chemical formula HNO3 and is primarily used in manufacturing ammonium nitrate for fertilizers, making explosives, and in the chemical industry for various processes. It can also be used for etching metals and purifying gold. Its production involves the oxidation of ammonia at high temperature and pressure in presence of a catalyst. Inhalation, ingestion, or skin contact with nitric acid can cause serious injury and may be fatal.

Check Digit Verification of cas no

The CAS Registry Mumber 12507-77-6 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,2,5,0 and 7 respectively; the second part has 2 digits, 7 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 12507-77:
(7*1)+(6*2)+(5*5)+(4*0)+(3*7)+(2*7)+(1*7)=86
86 % 10 = 6
So 12507-77-6 is a valid CAS Registry Number.

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