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39491-71-9

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39491-71-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 39491-71-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 3,9,4,9 and 1 respectively; the second part has 2 digits, 7 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 39491-71:
(7*3)+(6*9)+(5*4)+(4*9)+(3*1)+(2*7)+(1*1)=149
149 % 10 = 9
So 39491-71-9 is a valid CAS Registry Number.

39491-71-9Downstream Products

39491-71-9Relevant articles and documents

New Evidence for the Involvement of Alkylidene Carbenes in the Thermal Isomerisation of Cyclopropenes

Hopf, H.,Plagens, A.,Walsh, R.

, p. 1467 - 1468 (1994)

The detection of 1-(2'-propyl)-3-methylcyclopentene amongst the products of gas-phase thermal isomerisation of 1-(1'-butyl)-3,3-dimethylcyclopropene provides unambigous evidence for the intermediacy of an alkylidene carbene.

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