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(3S,6R)-3-hydroxy-6,7-(isopropylidenedioxy)hept-1-yne is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

254891-71-9

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254891-71-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 254891-71-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,5,4,8,9 and 1 respectively; the second part has 2 digits, 7 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 254891-71:
(8*2)+(7*5)+(6*4)+(5*8)+(4*9)+(3*1)+(2*7)+(1*1)=169
169 % 10 = 9
So 254891-71-9 is a valid CAS Registry Number.

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