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(-)-2-[(1,4,5,6-tetrahydropyrimidin-2-yl)thio]methyl-3-carboethoxy-5-carbomethoxy-4-(m-nitrophenyl)-6-methyl-1,4-dihydropyridine is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

689211-91-4

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689211-91-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 689211-91-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 6,8,9,2,1 and 1 respectively; the second part has 2 digits, 9 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 689211-91:
(8*6)+(7*8)+(6*9)+(5*2)+(4*1)+(3*1)+(2*9)+(1*1)=194
194 % 10 = 4
So 689211-91-4 is a valid CAS Registry Number.

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