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144872-20-8

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144872-20-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 144872-20-8 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,4,4,8,7 and 2 respectively; the second part has 2 digits, 2 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 144872-20:
(8*1)+(7*4)+(6*4)+(5*8)+(4*7)+(3*2)+(2*2)+(1*0)=138
138 % 10 = 8
So 144872-20-8 is a valid CAS Registry Number.

144872-20-8Downstream Products

144872-20-8Relevant articles and documents

SUBSTITUTED N-PHENYLPIPERIDINES AND DRUGS THEREFROM

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, (2008/06/13)

Substituted N-phenylpiperidines I STR1 (R 1 =H, NO 2, CN, halogen, C 1-C 4-alkyl, CF 3, OCF 3, OH, CH 2 OH, COOH, CHO, NH--CHO, NH 2, CO--NH 2, 5-tetrazinyl, R 4--O--, R 4--O--CH 2--, R 4 O--CO--, R 4--CO--, R 4--NH--CO, R. sup.4--CO--NH--, R 4--SO 2--NH--; R. sup.2 =H, NO. sub.2, halogen, C 1-C 4-alkyl or R 4--O--; STR2 R 4 =C. sub.1-C 4-alkyl or phenyl which can carry one of the R 2 radicals;R 5, R 6 =H or one of the R 4 radicals; R 7 =one of the R 1 radicals;n=0 or 1; m=1 or 2; with the proviso that R 3 is STR3 only when n is 1, and the optical isomers in the case of optical isomerism, and the physiologically tolerated acid addition salts, are suitable as drugs.

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