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19771-03-0

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19771-03-0 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 19771-03-0 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,9,7,7 and 1 respectively; the second part has 2 digits, 0 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 19771-03:
(7*1)+(6*9)+(5*7)+(4*7)+(3*1)+(2*0)+(1*3)=130
130 % 10 = 0
So 19771-03-0 is a valid CAS Registry Number.

19771-03-0Downstream Products

19771-03-0Relevant articles and documents

Copper-catalyzed benzylic oxidation of C(sp3)-H bonds

Zhang, Bo,Zhu, Shou-Fei,Zhou, Qi-Lin

supporting information, p. 2033 - 2037 (2013/03/13)

A selective oxidation of benzylic C(sp3)-H bonds to C(sp 3)-O bonds catalyzed by copper complexes of quinoline-imine ligands was developed with peresters as oxidants under mild reaction conditions, which converted benzylic methylenes directly into benzylic alcohols and esters by means of direct C-H bond functionalization.

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