The CAS Registry Mumber 123942-40-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,3,9,4 and 2 respectively; the second part has 2 digits, 4 and 0 respectively. Calculate Digit Verification of CAS Registry Number 123942-40: (8*1)+(7*2)+(6*3)+(5*9)+(4*4)+(3*2)+(2*4)+(1*0)=115 115 % 10 = 5 So 123942-40-5 is a valid CAS Registry Number.
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Get Best Price for123942-40-5D-ribo-Hexitol, 1,5-anhydro-3-deoxy-1-C-(1,3-diphenyl-2-imidazolidinyl)-2-O-methyl-4-O-(phenylmethyl)-, 6-acetate, monosodium salt, (1S)-