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1,2-O-exo-cyanoethylidene-4,6-di-O-acetyl-3-O-trityl-α-D-glucopyranose is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

87690-84-4

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87690-84-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 87690-84-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,7,6,9 and 0 respectively; the second part has 2 digits, 8 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 87690-84:
(7*8)+(6*7)+(5*6)+(4*9)+(3*0)+(2*8)+(1*4)=184
184 % 10 = 4
So 87690-84-4 is a valid CAS Registry Number.

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