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21059-15-4

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21059-15-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 21059-15-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,1,0,5 and 9 respectively; the second part has 2 digits, 1 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 21059-15:
(7*2)+(6*1)+(5*0)+(4*5)+(3*9)+(2*1)+(1*5)=74
74 % 10 = 4
So 21059-15-4 is a valid CAS Registry Number.

21059-15-4Downstream Products

21059-15-4Relevant articles and documents

Cole et al.

, p. 3643 (1967)

THE TOTAL SYNTHESIS OF BILIVERDINS OF BIOLOGICAL INTEREST

Awruch, Josefina,Frydman, Benjamin

, p. 4137 - 4146 (2007/10/02)

The total synthesis of eight biliverdin isomers was achieved by oxidation of the corresponding 1,19-di-t-butyloxycarbonyl-b-bilenes.One of the biliverdin isomers is mesobiliverdin IXα - a dipropionate bilitriene -, one is a diacetate bilitriene, three iso

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