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211567-31-6

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211567-31-6 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 211567-31-6 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,1,1,5,6 and 7 respectively; the second part has 2 digits, 3 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 211567-31:
(8*2)+(7*1)+(6*1)+(5*5)+(4*6)+(3*7)+(2*3)+(1*1)=106
106 % 10 = 6
So 211567-31-6 is a valid CAS Registry Number.

211567-31-6Relevant articles and documents

Alkylating agents from sugars. Cyclophosphamides derived from 2-amino- 2-deoxy-D-allose

Iglesias-Guerra, Fernando,Romero, Isidora,Alcudia, Felipe,Vega-Perez, Jose M.

, p. 57 - 62 (2007/10/03)

Cyclophosphamides derived from alkyl 2-amino-4,6-O-benzylidene-2-deoxy- β-D-allopyranosides have been synthesized with good yield by treatment of the corresponding 2-amino-2-deoxy-D-allose derivatives with bis(2- chloroethyl)phosphoramide dichloride. The ring-forming reaction took place with very high diastereoselectivity. Subsequent hydrogenolysis gave excellent yields of cyclophosphamides derived from alkyl 2-amino-2-deoxy-β-D- allopyranosides, with hydrophilicity greater than that of the precursors. The starting material was easily available from 2-acetamido-2-deoxy-D-glucose.

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