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158355-71-6

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158355-71-6 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 158355-71-6 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,5,8,3,5 and 5 respectively; the second part has 2 digits, 7 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 158355-71:
(8*1)+(7*5)+(6*8)+(5*3)+(4*5)+(3*5)+(2*7)+(1*1)=156
156 % 10 = 6
So 158355-71-6 is a valid CAS Registry Number.

158355-71-6Relevant articles and documents

Chirality Transfer in the Palladium(0)-Catalyzed Cyclization of 3-Oxo-8,9-dihydroxytetradeca-1,6-diene Derivatives into 2-Methylenecyclopentanones

Togashi, Kazuhiko,Terakado, Masahiko,Miyazawa, Masahiro,Yamamoto, Keiji,Takahashi, Takashi

, p. 3333 - 3336 (1994)

Pd(0)-catalyzed cyclization of four diastereomeric 3-oxo-8,9-dihydroxytetradeca-1,6-diene derivatives were carried out to give 2-methylenecyclopentanones with stereospecific 1,3-chirality transfer in up to 95percent overall inversion of stereochemistry, one of which contains a correct ω-side chain to be Stork's intermidiate for prostaglandins.

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