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849697-73-0

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849697-73-0 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 849697-73-0 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 8,4,9,6,9 and 7 respectively; the second part has 2 digits, 7 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 849697-73:
(8*8)+(7*4)+(6*9)+(5*6)+(4*9)+(3*7)+(2*7)+(1*3)=250
250 % 10 = 0
So 849697-73-0 is a valid CAS Registry Number.

849697-73-0Relevant articles and documents

Selective Heck reaction of aryl bromides with cyclopent-2-en-1-one or cyclohex-2-en-1-one

Fall, Yacoub,Doucet, Henri,Santelli, Maurice

experimental part, p. 489 - 495 (2009/04/07)

The selective Heck reaction of cyclopent-2-en-1-one or cyclohex-2-en-1-one with aryl bromides gives a simple access to the corresponding 3-arylcycloalk-2-en-1-ones. The choice of the base was found to be crucial to avoid the formation of 3-arylcyclopentan

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