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81099-45-8

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81099-45-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 81099-45-8 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,1,0,9 and 9 respectively; the second part has 2 digits, 4 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 81099-45:
(7*8)+(6*1)+(5*0)+(4*9)+(3*9)+(2*4)+(1*5)=138
138 % 10 = 8
So 81099-45-8 is a valid CAS Registry Number.

81099-45-8Downstream Products

81099-45-8Relevant articles and documents

Anti-cancer compounds

-

, (2008/06/13)

Compounds of formula (I) STR1 in which R1, R2, R3 and R4 are each separately selected from hydrogen, X, NH--A--NHR and NH--A--N(O)R'R" wherein X is hydroxy, halogeno, amino, C1-4 alkoxy or C2-8 alkanoyloxy, A is a C2-4 alkylene group with a chain length between NH and NHR or N(O)R'R" of at least 2 carbon atoms and R, R' and R" are each separately selected from C1-4 alkyl groups and C2-4 hydroxyalkyl and C2-4 dihydroxyalkyl groups in which the carbon atom attached to the nitrogen atom does not carry a hydroxy group and no carbon atom is substituted by two hydroxy groups, or R' and R" together are a C2-6 alkylene group which with the nitrogen atom to which R" and R" are attached forms a heterocyclic group having 3 to 7 atoms in the ring, but with the proviso that at least one of R1 to R4 is a group NH--A--N(O)R'R", and physiologically acceptable salts thereof are of value in the treatment of cancer.

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