The CAS Registry Mumber 66669-31-6 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 6,6,6,6 and 9 respectively; the second part has 2 digits, 3 and 1 respectively. Calculate Digit Verification of CAS Registry Number 66669-31: (7*6)+(6*6)+(5*6)+(4*6)+(3*9)+(2*3)+(1*1)=166 166 % 10 = 6 So 66669-31-6 is a valid CAS Registry Number.
66669-31-6Upstream product
66669-31-6Downstream Products
66669-31-6Relevant articles and documents
Synthesis and antiviral effect of substituted 5-ureido and 5-thioureidobenzimidazole derivatives