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1327278-20-5

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1327278-20-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1327278-20-5 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,3,2,7,2,7 and 8 respectively; the second part has 2 digits, 2 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 1327278-20:
(9*1)+(8*3)+(7*2)+(6*7)+(5*2)+(4*7)+(3*8)+(2*2)+(1*0)=155
155 % 10 = 5
So 1327278-20-5 is a valid CAS Registry Number.

1327278-20-5Relevant articles and documents

Preparation of α-amino acids by oxidative oxazoline-oxazinone rearrangement-hydrogenation (OOOH). Scope and limitations

Liu, Chaomin,Molinski, Tadeusz F.

, p. 2022 - 2027 (2011)

The range and scope of the oxidative oxazoline-oxazinone rearrangement-hydrogenation sequence (OOOH)-a short, direct asymmetric synthesis of α-amino acids from carboxylic acids-was explored. The highest yet reported diastereoselectivity for hydrogenation of the oxazinone C=N bond (d.r.=>80:1) is disclosed and rationalized with the aid of ab initio molecular calculations.

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