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130632-12-1

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130632-12-1 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 130632-12-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,0,6,3 and 2 respectively; the second part has 2 digits, 1 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 130632-12:
(8*1)+(7*3)+(6*0)+(5*6)+(4*3)+(3*2)+(2*1)+(1*2)=81
81 % 10 = 1
So 130632-12-1 is a valid CAS Registry Number.

130632-12-1Downstream Products

130632-12-1Relevant articles and documents

ASYMMETRIC SYNTHESIS OF β-LACTAMS BY CHIRAL ESTER ENOLATE-IMINE CONDENSATION

Ojima, Iwao,Habus, Ivan

, p. 4289 - 4292 (2007/10/02)

Asymmetric cyclocondensation of N,N-bis(silyl)glycinates bearing chiral ester moieties with aldimines is found to proceed with extremely high enantioselectivity to give the corresponding chiral β-lactams in good to high yields.It is found that the E/Z-geometry of the chiral ester-enolate is responsible for cis/trans stereochemistry of the β-lactam formed.Effects of various chiral auxiliaries in the ester-enolates on the enantioselectivity of the reactions are examined.

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