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851189-86-1

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851189-86-1 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 851189-86-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 8,5,1,1,8 and 9 respectively; the second part has 2 digits, 8 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 851189-86:
(8*8)+(7*5)+(6*1)+(5*1)+(4*8)+(3*9)+(2*8)+(1*6)=191
191 % 10 = 1
So 851189-86-1 is a valid CAS Registry Number.

851189-86-1Relevant articles and documents

Stepwise acid-promoted double-Michael process: An alternative to Diels-Alder cycloadditions for hindered silyloxydiene-dienophile pairs

Jung, Michael E.,Ho, David G.

, p. 375 - 378 (2007)

(Chemical Equation Presented) The hindered diene 1 reacts with 3-methylcyclohexenone 6 catalyzed by triflimide to produce the Mukaiyama Michael product 7 (low-temperature quenching) or the [4+2] cycloadduct 8 (quenching at 0°C). Reaction of the hindered d

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