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133038-51-4

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133038-51-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 133038-51-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,3,0,3 and 8 respectively; the second part has 2 digits, 5 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 133038-51:
(8*1)+(7*3)+(6*3)+(5*0)+(4*3)+(3*8)+(2*5)+(1*1)=94
94 % 10 = 4
So 133038-51-4 is a valid CAS Registry Number.

133038-51-4Relevant articles and documents

Synthetic and Stereochemical Studies Directed Towards Anatoxin-a

Huby, Nicholas J. S.,Kinsman, Richard G.,Lathbury, David,Vernon, Peter G.,Gallagher, Timothy

, p. 145 - 155 (2007/10/02)

The synthesis and stereocontrolled Ag1-catalysed cyclisation of a series of allenic amino esters 8a-e is described.For compounds 8a-d the cis-2,5-disubstituted pyrrolidine 9 is formed exclusively but the primary amine 8e undergoes cyclisation n

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