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5-methyl-2-m-tolyl-2H-pyrazole-3,4-dione 4-oxime is a complex organic compound with the molecular formula C12H11N2O2. It is a derivative of pyrazole, a five-membered heterocyclic compound containing nitrogen. The structure of 5-methyl-2-m-tolyl-2H-pyrazole-3,4-dione 4-oxime features a methyl group (-CH3) at the 5th position, a meta-tolyl group (a phenyl group with a methyl group at the meta position) at the 2nd position, and an oxime group (-NHOH) at the 4th position. 5-methyl-2-m-tolyl-2H-pyrazole-3,4-dione 4-oxime is characterized by its unique chemical properties and potential applications in various fields, such as pharmaceuticals, agrochemicals, and materials science. Due to its complex structure, it may exhibit specific reactivity and stability, making it a subject of interest for researchers in organic chemistry.

1688-27-3

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1688-27-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1688-27-3 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 1,6,8 and 8 respectively; the second part has 2 digits, 2 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 1688-27:
(6*1)+(5*6)+(4*8)+(3*8)+(2*2)+(1*7)=103
103 % 10 = 3
So 1688-27-3 is a valid CAS Registry Number.

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