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N-((5aR)-3ξ-bromo-1,7-dioxo-(5ar)-1,4,6,7-tetrahydro-3H,5aH-azeto[2,1-b]thieno[3,4-d][1,3]thiazin-6t-yl)-2-phenyl-acetamide is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

74183-71-4

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74183-71-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 74183-71-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,4,1,8 and 3 respectively; the second part has 2 digits, 7 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 74183-71:
(7*7)+(6*4)+(5*1)+(4*8)+(3*3)+(2*7)+(1*1)=134
134 % 10 = 4
So 74183-71-4 is a valid CAS Registry Number.

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