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497147-42-9

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497147-42-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 497147-42-9 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, 4 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 497147-42:
(8*4)+(7*9)+(6*7)+(5*1)+(4*4)+(3*7)+(2*4)+(1*2)=189
189 % 10 = 9
So 497147-42-9 is a valid CAS Registry Number.

497147-42-9Upstream product

497147-42-9Downstream Products

497147-42-9Relevant 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 (2007/10/03)

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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