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methyl (4S,5S,6R)-(Z)-6-(tetrahydropyran-2-yloxy)-7-t-butyldimethylsilyloxy-4,5-isopropylidenedioxyhept-2-enoate is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

197716-20-4

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197716-20-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 197716-20-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,9,7,7,1 and 6 respectively; the second part has 2 digits, 2 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 197716-20:
(8*1)+(7*9)+(6*7)+(5*7)+(4*1)+(3*6)+(2*2)+(1*0)=174
174 % 10 = 4
So 197716-20-4 is a valid CAS Registry Number.

197716-20-4Upstream product

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