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816457-73-5

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816457-73-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 816457-73-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 8,1,6,4,5 and 7 respectively; the second part has 2 digits, 7 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 816457-73:
(8*8)+(7*1)+(6*6)+(5*4)+(4*5)+(3*7)+(2*7)+(1*3)=185
185 % 10 = 5
So 816457-73-5 is a valid CAS Registry Number.

816457-73-5Downstream Products

816457-73-5Relevant articles and documents

Sequential aza-Baylis-Hillman/ring closing metathesis/aromatization as a novel route for the synthesis of substituted pyrroles

Declerck, Valerie,Ribiere, Patrice,Martinez, Jean,Lamaty, Fredereric

, p. 8372 - 8381 (2007/10/03)

A new route to diverse 2-substituted-3-methoxycarbonyl pyrroles has been developed. Diverse SES protected α-methylene β-aminoesters were obtained by a 3-component aza-Baylis-Hillman reaction. Diversity arose from the aryl aldehydes which can be used in th

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