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6-O-tert-butyldimethylsilyl-[(S)-1,2-O-(1-ethoxyethylidene)]-α-D-glucopyranose is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

666237-80-5

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666237-80-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 666237-80-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 6,6,6,2,3 and 7 respectively; the second part has 2 digits, 8 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 666237-80:
(8*6)+(7*6)+(6*6)+(5*2)+(4*3)+(3*7)+(2*8)+(1*0)=185
185 % 10 = 5
So 666237-80-5 is a valid CAS Registry Number.

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