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497147-39-4

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497147-39-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 497147-39-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 4,9,7,1,4 and 7 respectively; the second part has 2 digits, 3 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 497147-39:
(8*4)+(7*9)+(6*7)+(5*1)+(4*4)+(3*7)+(2*3)+(1*9)=194
194 % 10 = 4
So 497147-39-4 is a valid CAS Registry Number.

497147-39-4Upstream product

497147-39-4Relevant articles and documents

Remarkably stable tetrahedral intermediates: Carbinols from nucleophilic additions to N-acylpyrroles

Evans, David A.,Borg, George,Scheidt, Karl A.

, p. 3188 - 3191 (2002)

Sufficiently stable intermediates formed in the reaction of N-acylpyrroles (1) with hydride and Grignard reagents can undergo further synthetic transformations and chromatographic purification to enable the generation of pyrrolecarbinols 2 in 76-95% yields [Eq. (1)].

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