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171503-15-4

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171503-15-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 171503-15-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,7,1,5,0 and 3 respectively; the second part has 2 digits, 1 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 171503-15:
(8*1)+(7*7)+(6*1)+(5*5)+(4*0)+(3*3)+(2*1)+(1*5)=104
104 % 10 = 4
So 171503-15-4 is a valid CAS Registry Number.

171503-15-4Relevant articles and documents

SYNTHESIS AND ANTITUMOR ACTIVITY OF NOVEL &α-SUBSTITUTED AMINOMETHYLPHOSPHONATES

Chen, Ru-Yu,Mao, Li-Juan

, p. 97 - 104 (2007/10/02)

Two series of novel α-substituted aminomethyl phosphonates (1) and (2) have been synthesized and the reaction conditions are discussed.All the products have been confirmed by 1H NMR, IR spectra and elemental analysis, and x-ray diffraction.The bioassay showed that some of the compounds inhibit the growth of the leukemia L1210 cell in vitro.Key words: Aminomethylphosphonate; synthesis; antitumor activity; X-ray diffraction.

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