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1287660-72-3

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1287660-72-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1287660-72-3 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,8,7,6,6 and 0 respectively; the second part has 2 digits, 7 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 1287660-72:
(9*1)+(8*2)+(7*8)+(6*7)+(5*6)+(4*6)+(3*0)+(2*7)+(1*2)=193
193 % 10 = 3
So 1287660-72-3 is a valid CAS Registry Number.

1287660-72-3Downstream Products

1287660-72-3Relevant articles and documents

Site-selective suzuki-miyaura reactions of the bis(triflate) of 5,10-dihydroxy-11 H -benzo[ b ]fluoren-11-one

Salman, Ghazwan Ali,Hussain, Munawar,Villinger, Alexander,Langer, Peter

experimental part, p. 3031 - 3034 (2011/02/24)

5,10-Diaryl-11H-benzo[b]fluoren-11-ones were prepared by Suzuki-Miyaura reactions of the bis(triflate) of 5,10-dihydroxy-11H-benzo[b]fluoren-11-one. The reactions proceed with excellent site-selectivity. The first attack occurs at position 10, due to elec

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