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1274702-30-5

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1274702-30-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1274702-30-5 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,7,4,7,0 and 2 respectively; the second part has 2 digits, 3 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 1274702-30:
(9*1)+(8*2)+(7*7)+(6*4)+(5*7)+(4*0)+(3*2)+(2*3)+(1*0)=145
145 % 10 = 5
So 1274702-30-5 is a valid CAS Registry Number.

1274702-30-5Downstream Products

1274702-30-5Relevant articles and documents

Sequential oxidative transformation of tetraarylethylenes to 9,10-diarylphenanthrenes and dibenzo[g, p]chrysenes using DDQ as an oxidant

Navale, Tushar S.,Thakur, Khushabu,Rathore, Rajendra

, p. 1634 - 1637 (2011)

Tetraarylethylenes can be sequentially transformed into 9,10-diarylphenanthrenes and dibenzo[g,p]chrysenes using 1 and 2 equiv of DDQ, respectively, in CH2Cl2 containing methanesulfonic acid, in excellent yields. Efficient access to substituted dibenzochrysenes from tetraarylethylenes establishes the versatility of this procedure over the existing multistep syntheses of dibenzochrysenes. Moreover, the ready regeneration of DDQ from easily recovered reduced DDQ-H2 continues to advance the use of DDQ/H+ for the oxidative C-C bond forming reactions.

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