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1199939-51-9

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1199939-51-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1199939-51-9 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,1,9,9,9,3 and 9 respectively; the second part has 2 digits, 5 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 1199939-51:
(9*1)+(8*1)+(7*9)+(6*9)+(5*9)+(4*3)+(3*9)+(2*5)+(1*1)=229
229 % 10 = 9
So 1199939-51-9 is a valid CAS Registry Number.

1199939-51-9Downstream Products

1199939-51-9Relevant articles and documents

Copper-catalyzed arene C-H bond cross-coupling

Do, Hien-Quang,Daugulis, Olafs

supporting information; experimental part, p. 6433 - 6435 (2010/03/04)

A highly regioselective, one-pot sequential iodination-copper-catalyzed cross-coupling of arene C-H bonds has been developed affording an efficient method for biaryl synthesis.

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