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161762-12-5

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161762-12-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 161762-12-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,6,1,7,6 and 2 respectively; the second part has 2 digits, 1 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 161762-12:
(8*1)+(7*6)+(6*1)+(5*7)+(4*6)+(3*2)+(2*1)+(1*2)=125
125 % 10 = 5
So 161762-12-5 is a valid CAS Registry Number.

161762-12-5Upstream product

161762-12-5Relevant articles and documents

Radical Cyclization of Bromomethyldimethylsilyl Propargyl Ethers; Synthesis of a Carbocyclic Core of Steroid Skeleton by a Tandem Radical Cyclization

Wu, Sashuang,Journet, Michael,Malacria, Max

, p. 8601 - 8604 (1994)

Homoallyl radical intermediates, generated from the cyclization of bromomethyl-dimethylsilyl propargyl ethers, have been trapped intramolecularly by a double bond in a 6-exo-trig radical process.In that instance, a carbocyclic core of steroid skeleton has

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