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78237-28-2

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78237-28-2 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 78237-28-2 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,8,2,3 and 7 respectively; the second part has 2 digits, 2 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 78237-28:
(7*7)+(6*8)+(5*2)+(4*3)+(3*7)+(2*2)+(1*8)=152
152 % 10 = 2
So 78237-28-2 is a valid CAS Registry Number.

78237-28-2Downstream Products

78237-28-2Relevant articles and documents

Regioselective Suzuki-Miyaura Cross-Coupling Reactions of the Bis(triflate) of 1,4-Dihydroxy-9 H -fluoren-9-one

Sonneck, Marcel,Kuhrt, David,Kónya, Krisztina,Patonay, Tamás,Villinger, Alexander,Langer, Peter

, p. 75 - 79 (2016)

1,4-Diaryl-9H-fluoren-9-ones were prepared by regioselective Suzuki-Miyaura cross-coupling reaction of the bis(triflate) of 1,4-dihydroxy-9H-fluoren-9-one. The reactions proceeded with excellent site selectivity. The first attack occurs at position 1, due to electronic reasons.

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