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178674-90-3

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178674-90-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 178674-90-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,7,8,6,7 and 4 respectively; the second part has 2 digits, 9 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 178674-90:
(8*1)+(7*7)+(6*8)+(5*6)+(4*7)+(3*4)+(2*9)+(1*0)=193
193 % 10 = 3
So 178674-90-3 is a valid CAS Registry Number.

178674-90-3Relevant articles and documents

Synthesis of 3-substituted 4,1,2-benzothiadiazine 4,4-dioxides and 2 or 3-substituted 1,4-benzothiazine 1,1-dioxides

Balbi,Sottofattori,Mazzei

, p. 347 - 350 (2007/10/03)

The title compounds were prepared starting from the synthones 6 using two different synthetic approaches: 3-substituted 1,4-benzothiazine 1,1-dioxides were synthesised by cyclisation with phosphorus osychloride as the Vilsmeier reagent, while 4,1,2-benzot

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