The CAS Registry Mumber 1329509-49-0 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,3,2,9,5,0 and 9 respectively; the second part has 2 digits, 4 and 9 respectively. Calculate Digit Verification of CAS Registry Number 1329509-49: (9*1)+(8*3)+(7*2)+(6*9)+(5*5)+(4*0)+(3*9)+(2*4)+(1*9)=170 170 % 10 = 0 So 1329509-49-0 is a valid CAS Registry Number.
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(32327) 2-Methyl-d3-4-isothiazolin-3-one hydrochloride VETRANAL™, analytical standard