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64646-27-1

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64646-27-1 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 64646-27-1 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 6,4,6,4 and 6 respectively; the second part has 2 digits, 2 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 64646-27:
(7*6)+(6*4)+(5*6)+(4*4)+(3*6)+(2*2)+(1*7)=141
141 % 10 = 1
So 64646-27-1 is a valid CAS Registry Number.

64646-27-1Relevant articles and documents

Magnesium Halide-Catalyzed Synthesis of Oxaspiro[2.5]octenes from a Methylenecyclopropane and Acyl Cyanoalkenes

Ogura, Kazuki,Shibata, Ikuya,Shimazu, Jun-ya,Suzuki, Itaru

supporting information, p. 2785 - 2787 (2021/06/26)

MgX2-catalyzed annulation of methylenecyclopropanes with acyl cyanoalkenes was accomplished to give oxaspiro[2.5]octenes in excellent yields. The reaction proceeded through a rare intramolecular oxa-Michael addition of Mg enolate. The oxaspiro

Organocatalytic Asymmetric [4+2] Cycloaddition of 1-Acetylcyclopentene and 1-Acetylcyclohexene for the Synthesis of Fused Carbocycles

Nath, Utpal,Pan, Subhas Chandra

supporting information, p. 6457 - 6461 (2017/12/01)

The first organocatalytic asymmetric [4+2]-cycloaddition reaction of 1-acetylcyclopentenes and 1-acetylcyclohexenes was developed. Enones having cyano groups were used as the dienophiles in this method. The reaction provides a useful practical route to th

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