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138373-38-3

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138373-38-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 138373-38-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,8,3,7 and 3 respectively; the second part has 2 digits, 3 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 138373-38:
(8*1)+(7*3)+(6*8)+(5*3)+(4*7)+(3*3)+(2*3)+(1*8)=143
143 % 10 = 3
So 138373-38-3 is a valid CAS Registry Number.

138373-38-3Relevant articles and documents

SnCl4 versus TiCl4-mediated coupling between N-6-benzoyladenine and perbenzoylated 2-deoxypyranose: Application to the synthesis of certain homochiral acyclo and carboacyclonucleosides

Baud, Marie-V.,Chavis, Claude,Lucas, Marc,Imbach, Jean-L.

, p. 9993 - 10002 (1991)

1,3,4-tri-O-benzoyl 2-deoxyribopyranose and persilylated N-6-benzoyladenine react in two different and regioselective ways according to the nature of the coupling reagent SnCl4 or TiCl4. The former Lewis acid gives rise to the anomer

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