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1258851-07-8

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1258851-07-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1258851-07-8 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,5,8,8,5 and 1 respectively; the second part has 2 digits, 0 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 1258851-07:
(9*1)+(8*2)+(7*5)+(6*8)+(5*8)+(4*5)+(3*1)+(2*0)+(1*7)=178
178 % 10 = 8
So 1258851-07-8 is a valid CAS Registry Number.

1258851-07-8Downstream Products

1258851-07-8Relevant articles and documents

Two chemodivergent anionic domino processes from cyclic α-nitroketones and aromatic aldehydes

Giorgi, Giorgio,Arroyo, Francisco J.,López-Alvarado, Pilar,Menéndez, J. Carlos

, p. 5582 - 5589 (2011/08/10)

Treatment of cyclic α-nitroketones and aromatic 1,2-dialdehydes with DBU in tetrahydrofuran containing small amounts of water proceeded through two chemodivergent one-pot domino pathways, whose outcome depended on the ring size of the starting nitroketone. Thus, α-nitrocyclohexanone underwent diastereoselective α′-arylmethylenation reactions through a nitroaldol/aldol/reverse nitroaldol mechanism. On the other hand, α-nitrocycloheptanone and α-nitrocyclooctanone afforded 2-nitroindane-1,2-diols containing three contiguous stereocenters in a highly diastereoselective fashion through a nitroaldol/retro-Dieckmann/intramolecular nitroaldol process.

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