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740802-81-7

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740802-81-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 740802-81-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 7,4,0,8,0 and 2 respectively; the second part has 2 digits, 8 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 740802-81:
(8*7)+(7*4)+(6*0)+(5*8)+(4*0)+(3*2)+(2*8)+(1*1)=147
147 % 10 = 7
So 740802-81-7 is a valid CAS Registry Number.

740802-81-7Downstream Products

740802-81-7Relevant articles and documents

Trifluoromethyl- and difluoromethyl-β-lactams as useful building blocks for the synthesis of fluorinated amino acids, dipeptides, and fluoro-taxoids

Kuznetsova, Larisa,Ungureanu, Ioana Maria,Pepe, Antonella,Zanardi, Ilaria,Wu, Xinyuan,Ojima, Iwao

, p. 487 - 500 (2007/10/03)

Enantiopure 1-acyl-3-hydroxyl-4-CF2H-azetidin-2-ones and 1-acyl-3-hydroxy-4-CF3-azetidin-2-ones serve as versatile intermediates for the syntheses of CF2- and CF3-containing α-hydroxy-β-amino acids, dipeptides,

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