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Hydrogen oxalate, also known as oxalic acid monohydrate or ethanedioic acid monohydrate, is a chemical compound with the formula C2H2O4.H2O. It is a white crystalline solid that is soluble in water and is commonly used as a reducing agent, bleaching agent, and in the production of various chemicals. Hydrogen oxalate is also found in small amounts in certain foods, such as rhubarb and spinach, and can be toxic in high concentrations due to its ability to bind with calcium, leading to the formation of insoluble calcium oxalate crystals.

920-52-5

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920-52-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 920-52-5 includes 6 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 3 digits, 9,2 and 0 respectively; the second part has 2 digits, 5 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 920-52:
(5*9)+(4*2)+(3*0)+(2*5)+(1*2)=65
65 % 10 = 5
So 920-52-5 is a valid CAS Registry Number.

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