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222625-18-5

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222625-18-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 222625-18-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,2,2,6,2 and 5 respectively; the second part has 2 digits, 1 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 222625-18:
(8*2)+(7*2)+(6*2)+(5*6)+(4*2)+(3*5)+(2*1)+(1*8)=105
105 % 10 = 5
So 222625-18-5 is a valid CAS Registry Number.

222625-18-5Relevant articles and documents

Stereoselective synthesis of (R)- and (S)-2-methyl-3-oxo-3,4-dihydro- 2H-1,4-benzoxazine-2-carboxylic acids, -carboxylates and -carboxamides

Breznik, Matej,Hrast, Valentina,Mrcina, Alenka,Kikelj, Danijel

, p. 153 - 167 (1999)

(R)-Monomethyl 2-methyl-2-(2-nitrophenoxy)malonates obtained by PLE catalyzed hydrolysis of the corresponding dimethyl malonates undergo solvent- dependent enantioselective cyclization to afford (R)-methyl 2-methyl-3-oxo- 3,4-dihydro-2H-1,4-benzoxazine-2-

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