21951-34-8 Usage
General Description
2,4-dihydro-2-[4-[(2-hydroxyethyl)sulfonyl]phenyl]-5-methyl-3h-pyrazol-3-on is a chemical compound with a complex structure that includes a pyrazolone ring. It is a derivative of the pyrazolone family and contains a sulfonyl group attached to a phenyl ring. The molecule also includes a 2-hydroxyethyl group, a methyl group, and a dihydro group, contributing to its overall structure and properties. This chemical may have various applications in organic synthesis, pharmaceuticals, and other industries due to its unique structure and potential properties.
Check Digit Verification of cas no
The CAS Registry Mumber 21951-34-8 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,1,9,5 and 1 respectively; the second part has 2 digits, 3 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 21951-34:
(7*2)+(6*1)+(5*9)+(4*5)+(3*1)+(2*3)+(1*4)=98
98 % 10 = 8
So 21951-34-8 is a valid CAS Registry Number.
InChI:InChI=1/C12H14N2O4S/c1-9-8-12(16)14(13-9)10-2-4-11(5-3-10)19(17,18)7-6-15/h2-5,15H,6-8H2,1H3