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82634-79-5

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82634-79-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 82634-79-5 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,2,6,3 and 4 respectively; the second part has 2 digits, 7 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 82634-79:
(7*8)+(6*2)+(5*6)+(4*3)+(3*4)+(2*7)+(1*9)=145
145 % 10 = 5
So 82634-79-5 is a valid CAS Registry Number.

82634-79-5Relevant articles and documents

Synthesis of (3R,4S)- and (3R,4R)-2H,3H>Valine. Preparation of Compounds containing Chiral Methyl Groups with an Adjacent Asymmetric Centre

Townsend, Craig A.,Neese, A. Scott,Theis, Alan B.

, p. 116 - 118 (2007/10/02)

The general problem of the synthesis of compounds containing chiral methyl groups adjacent to an asymmetric centre is adressed for the specific case of valine having such groups exclusively at the 3-pro(R) position.

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