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54380-43-7

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54380-43-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 54380-43-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,4,3,8 and 0 respectively; the second part has 2 digits, 4 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 54380-43:
(7*5)+(6*4)+(5*3)+(4*8)+(3*0)+(2*4)+(1*3)=117
117 % 10 = 7
So 54380-43-7 is a valid CAS Registry Number.

54380-43-7Downstream Products

54380-43-7Relevant articles and documents

An Unprecedented Electronic Preference for the "Meta" Product in Diels-Alder Reactions of Ethynyldialkylboranes. -9-BBN as a Reactive and Versatile Dienophile

Singleton, Daniel A.,Leung, Shun-Wang

, p. 4796 - 4797 (2007/10/02)

-9-BBN undergoes Diels-Alder reactions with acyclic dienes at 100 deg C to afford 1,4-cyclohexadienes in high yields.The novel regiochemistry of these reactions is consistent with an ab initio prediction of advanced bonding to boron in a transition state.

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