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1561902-66-6

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1561902-66-6 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1561902-66-6 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,5,6,1,9,0 and 2 respectively; the second part has 2 digits, 6 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 1561902-66:
(9*1)+(8*5)+(7*6)+(6*1)+(5*9)+(4*0)+(3*2)+(2*6)+(1*6)=166
166 % 10 = 6
So 1561902-66-6 is a valid CAS Registry Number.

1561902-66-6Relevant articles and documents

N-SUBSTITUTED 3,4-BIS (CATECHOL) PYRROLE COMPOUNDS, AND THE PREPARATION AND USE THEREOF IN THE TREATMENT OF CANCER

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Paragraph 0050; 0051, (2015/12/26)

The present invention relates to a compound of formula (I) in which: —m is an integer from 0 to 3, preferably from 0 to 2; n is an integer from 0 to 3, preferably from 0 to 2; m+n≧1; EAG is an electro-attractive group chosen independently from among a halogen atom, an NO2, CF3, CCI3, CN, CO2H, (C═O)NR2, CH═NR, (C═S)OR, (C═O)SR, CS2R, SO2R, SO2NR2, SO3R, P(O)(OR)2, P(O)(R)2, B(OR)2 group where R is a (C1-C6) alkyl radical, a phenyl group or a hydrogen atom; A is a saturated or unsaturated, linear or branched hydrocarbon chain including 1 to 10 atoms of carbon; and R1 and R2 each represent independently from one another a hydrogen atom, a CO-(Ci-C6)-alkyl, (C1-C6) alkyl, phenyl or phenyl-(C1-C6)-alkyl group, in which R1 and R2 form, together with the nitrogen atom they carry, a 5- to 15-member heterocycle, optionally substituted by a (C1-C6) alkyl group; including its stereoisomers and the mixtures thereof, or a pharmaceutically acceptable salt of same.

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