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4445-36-7

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4445-36-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 4445-36-7 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 4,4,4 and 5 respectively; the second part has 2 digits, 3 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 4445-36:
(6*4)+(5*4)+(4*4)+(3*5)+(2*3)+(1*6)=87
87 % 10 = 7
So 4445-36-7 is a valid CAS Registry Number.

4445-36-7Relevant articles and documents

Synthesis of dibenzo[d,f]-1,2-selena and -1,2-thiazepin-3-ones derivatives, bis-homoebselen

Mohsine, Abdelaziz,Christiaens, Leon

, p. 2567 - 2593 (2007/10/03)

Dibenzo[d,f]-1,2-selena and -1,2-thiazepin-3-ones derivatives were prepared from the corresponding 2-alkylselanyl- and 2-alkylsulfanylbiphenyl-2′-carboxamides or their diselenide or disulfide derivatives. These new seven-membered seleno-compounds are homologues of Ebselen (PZ51) (1) which exhibits glutathion peroxidase activity. Bis-homologues of PZ25 (2) were also synthesized. Synthesis of benzo[c]selenocoumarin.

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