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117357-80-9

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117357-80-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 117357-80-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,1,7,3,5 and 7 respectively; the second part has 2 digits, 8 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 117357-80:
(8*1)+(7*1)+(6*7)+(5*3)+(4*5)+(3*7)+(2*8)+(1*0)=129
129 % 10 = 9
So 117357-80-9 is a valid CAS Registry Number.

117357-80-9Downstream Products

117357-80-9Relevant articles and documents

An efficient new pyrimidine synthesis - A pathway to octupoles

Brandl, Stefan,Gompper, Rudolf,Polborn, Kurt

, p. 451 - 459 (1996)

The condensation of N,N,N′-tris(trimethylsilyl)-amidines (6, 11, 22) with vinamidinium salts (1, 7) in the presence of potassium fluoride is the method of choice for the synthesis of pyrimidines (8, 12, 20, 23). Octupoles comprising 1,3,5-benzene (8) and triphenylamine (12, 20) derivatives can be prepared in high yields. Johann Ambrosius Barth 1996.

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