Cas 74720-09-5,methyl 3-benzoylamino-3-methylbutanoate

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Check Digit Verification of cas no

The CAS Registry Mumber 74720-09-5 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,4,7,2 and 0 respectively; the second part has 2 digits, 0 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 74720-09:
(7*7)+(6*4)+(5*7)+(4*2)+(3*0)+(2*0)+(1*9)=125
125 % 10 = 5
So 74720-09-5 is a valid CAS Registry Number.

74720-09-5Upstream product

715-27-5 1-benzoyl-4,4-dimethyl-azetidin-2-one

74720-09-5Downstream Products

74720-09-5Relevant articles and documents

Selective Hydrogenation of 4,5-Dihydro-1,3-oxazin-6-ones to Carbaldehyde Derivatives; Chemical Differentiation between Acylazetidin-2-ones and the Corresponding Isomeric Oxazin-6-ones

Drey, Charles N. C.,Ridge, Richard J.,Mtetwa, Eli

, p. 378 - 380 (2007/10/02)

Catalytic hydrogenation of optically active and non-active dihydro-oxazin-6-ones unexpectedly led to preferential reduction of the carbonyl group with ring-opening yielding carbaldehyde derivatives.This reaction resolved a structural problem by leading to

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74720-09-5