2,2,6,6-tetrakis{(2,4,6-trimethylphenyl)(trimethylsilyl)amino}-4,4,8,8-tetraphenoxy-1,5-dioxa-3,7-λ(3.7)-diaza-4,8-diphospha-2,6-digermocine is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.
The CAS Registry Mumber 139936-79-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,9,9,3 and 6 respectively; the second part has 2 digits, 7 and 9 respectively. Calculate Digit Verification of CAS Registry Number 139936-79: (8*1)+(7*3)+(6*9)+(5*9)+(4*3)+(3*6)+(2*7)+(1*9)=181 181 % 10 = 1 So 139936-79-1 is a valid CAS Registry Number.
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