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20144-28-9

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20144-28-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 20144-28-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,0,1,4 and 4 respectively; the second part has 2 digits, 2 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 20144-28:
(7*2)+(6*0)+(5*1)+(4*4)+(3*4)+(2*2)+(1*8)=59
59 % 10 = 9
So 20144-28-9 is a valid CAS Registry Number.

20144-28-9Relevant articles and documents

PHOTOLYSIS OF THE AZOALKANE 2,3-DIAZATRICYCLO4,9>NON-2-ENE: DIRECT OBSERVATION OF 4-CYCLOHEXENYLDIAZOMETHANE

Adam, Waldemar,Carballeira, Nestor,Gillaspey, William D.

, p. 5473 - 5476 (2007/10/02)

Besides denitrogenation to the tricycloalkane 8, the photolysis of azoalkane 3 affords the diazoalkane 4, which serves as precursor to the minor hydrocarbon products 9, 10 and 11; irradiation of azoalkane 3 with the 333.6 nm line of an 18-W argon ion laser was essential to obtain preparative quantities of diazoalkane 4 for its detection and identification.

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