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122889-15-0

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122889-15-0 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 122889-15-0 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,2,8,8 and 9 respectively; the second part has 2 digits, 1 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 122889-15:
(8*1)+(7*2)+(6*2)+(5*8)+(4*8)+(3*9)+(2*1)+(1*5)=140
140 % 10 = 0
So 122889-15-0 is a valid CAS Registry Number.

122889-15-0Relevant articles and documents

Preparation of α-(N-Trimethylsilyl)imino Esters and Their Use ih the Synthesis of α-Amino Esters and 2-Alkoxycarbonylimidazol-4(2H)-ones

Matsuda, Yoshihiko,Tanimoto, Shigeo,Okamoto, Tadashi,Ali, Syed Mashhood

, p. 279 - 281 (2007/10/02)

The reaction of α-keto esters with lithium 1,1,1,3,3,3-hexamethyldisilazanide afforded α-(N-trimethylsilyl)imino esters in good yields, which were reduced to the corresponding α-amino esters by reducing agents such as NaBH3CN. α-(N-Trimethylsilyl)imino esters were treated with methanol to afford 2-alkoxycarbonylimidazole-4(2H)-ones via dimerization of the intermediate α-imino esters.

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