The CAS Registry Mumber 1172596-22-3 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,1,7,2,5,9 and 6 respectively; the second part has 2 digits, 2 and 2 respectively. Calculate Digit Verification of CAS Registry Number 1172596-22: (9*1)+(8*1)+(7*7)+(6*2)+(5*5)+(4*9)+(3*6)+(2*2)+(1*2)=163 163 % 10 = 3 So 1172596-22-3 is a valid CAS Registry Number.
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Aldrich
(719684) Tris(triphenylsilyloxy)molybdenumnitridepyridinecomplex ≥95%, contains up to 10 wt. % toluene