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6142-49-0

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6142-49-0 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 6142-49-0 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 6,1,4 and 2 respectively; the second part has 2 digits, 4 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 6142-49:
(6*6)+(5*1)+(4*4)+(3*2)+(2*4)+(1*9)=80
80 % 10 = 0
So 6142-49-0 is a valid CAS Registry Number.

6142-49-0Downstream Products

6142-49-0Relevant articles and documents

Samarium-Promoted Cyclopropanation of Allylic Alcohols

Molander, Gary A.,Harring, Lori S.

, p. 3525 - 3532 (1989)

The use of samarium/mercury amalgam in conjunction with diiodomethane or chloroiodomethane to generate samarium carbenoids for the efficient cyclopropanation of allylic alcohols is discussed.These hydroxyl-directed cyclopropanations occur under mild conditions and allow a wide range of substitution about both the olefin and the carbinol carbon in allylic alcohol substrates.High yields and high diastereoselectivities are observed for many substrates.

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Cope,A.C. et al.

, p. 1935 - 1940 (1962)

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