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145621-91-6

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145621-91-6 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 145621-91-6 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,4,5,6,2 and 1 respectively; the second part has 2 digits, 9 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 145621-91:
(8*1)+(7*4)+(6*5)+(5*6)+(4*2)+(3*1)+(2*9)+(1*1)=126
126 % 10 = 6
So 145621-91-6 is a valid CAS Registry Number.

145621-91-6Relevant articles and documents

Asymmetrische Katalyse. IV. Hydrosilylierung von Acetophenon mit Pyrrolin-2,5-dion/modifizierten 2-Katalysatoren

Tillack, Annegret,Michalik, Manfred,Fenske, Dieter,Goesmann, Helmut

, p. 85 - 92 (1994)

The reaction of dichloromaleimides with optically active amines affords chiral pyrrolin-2,5-diones.The diamines are 13C-NMR-spectroscopically characterized.In addition, the molecular structure of 1-(R)-menthyl-3-(R)-menthylamino-4-phenylamino-pyrrolin-2,5

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