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1240201-04-0

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1240201-04-0 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1240201-04-0 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,4,0,2,0 and 1 respectively; the second part has 2 digits, 0 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 1240201-04:
(9*1)+(8*2)+(7*4)+(6*0)+(5*2)+(4*0)+(3*1)+(2*0)+(1*4)=70
70 % 10 = 0
So 1240201-04-0 is a valid CAS Registry Number.

1240201-04-0Downstream Products

1240201-04-0Relevant articles and documents

Enzymatic dynamic kinetic resolution of (±)-cis-N-(Alkoxycarbonyl) cyclopentane-1,2-diamines based on spontaneous racemization

Quijada, F. Javier,Gotor, Vicente,Rebolledo, Francisca

supporting information; experimental part, p. 3602 - 3605 (2010/11/05)

Lipase B from Candida antarctica is an excellent catalyst for the enantioselective acetylation of different (±)-cis-N-(alkoxycarbonyl) cyclopentane-1,2-diamines. Depending on the alkoxycarbonyl group, a simple kinetic resolution (Boc-derivative) or an interesting dynamic kinetic resolution (DKR with Cbz-, Alloc, and ethoxycarbonyl derivatives) has been developed. Racemization for the DKR occurred due to the N,N′ intramolecular migration of the alkoxycarbonyl group.

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