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827308-46-3

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827308-46-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 827308-46-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 8,2,7,3,0 and 8 respectively; the second part has 2 digits, 4 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 827308-46:
(8*8)+(7*2)+(6*7)+(5*3)+(4*0)+(3*8)+(2*4)+(1*6)=173
173 % 10 = 3
So 827308-46-3 is a valid CAS Registry Number.

827308-46-3Downstream Products

827308-46-3Relevant articles and documents

SYNTHESIS OF 13C-LABELLED ESTROGEN ANALOGUES

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Page 90, (2010/02/08)

There is provided a method of producing novel 13C-labelled estrogen analogues. The method preferably proceeds via an intermediate A or B or which is a mixture of (A) or (B): wherein a13C atom is located at one or more of positions 1, 2, 3 or 4 and wherein R is an optionally substituted alkane, alkene, alkyne or aryl group. Preferably R is -CH2Ph. An alternative preferred intermediate compound is 13C-resorcinol.

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