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1277185-06-4

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1277185-06-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1277185-06-4 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,7,7,1,8 and 5 respectively; the second part has 2 digits, 0 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 1277185-06:
(9*1)+(8*2)+(7*7)+(6*7)+(5*1)+(4*8)+(3*5)+(2*0)+(1*6)=174
174 % 10 = 4
So 1277185-06-4 is a valid CAS Registry Number.

1277185-06-4Relevant articles and documents

Optically active bicyclic N-heterocycles by organocatalytic asymmetric Michael addition/cyclization sequences

Worgull, Dennis,Dickmeiss, Gustav,Jensen, Kim L.,Franke, Patrick T.,Holub, Nicole,Jorgensen, Karl Anker

, p. 4076 - 4080 (2011/06/11)

Highly stereoselective one-pot syntheses of various optically active N-heterocyclic bicycles have been developed. The protocols are based on an organocatalytic, asymmetric Michael addition followed by a condensation/ cycloaddition sequence to furnish aziridine carbonyls, β-lactams, or octahydrobenzo[c]isoxazoles depending on the reaction conditions and applied nucleophiles. Copyright

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