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1058052-51-9

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1058052-51-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1058052-51-9 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,0,5,8,0,5 and 2 respectively; the second part has 2 digits, 5 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 1058052-51:
(9*1)+(8*0)+(7*5)+(6*8)+(5*0)+(4*5)+(3*2)+(2*5)+(1*1)=129
129 % 10 = 9
So 1058052-51-9 is a valid CAS Registry Number.

1058052-51-9Upstream product

1058052-51-9Relevant articles and documents

Radical-mediated cyclization reaction - Regioselective synthesis of pyrimidine- and coumarin-annulated [6,6]-fused oxygen heterocycles

Majumdar, Krishna C.,Debnath, Pradip,Maji, Pradip K.

, p. 846 - 854 (2008/12/20)

The n-Bu3SnH-AIBN mediated aryl radical cyclization of various 8-[(2-bromophenoxy)methyl]-1,3-dimethyl-2,3,4,6-tetrahydro-1H-pyrano[3,2-d] pyrimidine-2,4-diones and 1-[(2-bromophenoxy)methyl]-3,5-dihydropyrano[2,3-c] coumarins was investigated with the formation of [6,6]-fused oxygen heterocycles as a single regioisomer.

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