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5-O-tert-butyldimethylsilyl-2,3:6,7-di-O-diethylidene-D-glycero-L-talo-heptono-1,4-lactone is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

934715-95-4

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934715-95-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 934715-95-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 9,3,4,7,1 and 5 respectively; the second part has 2 digits, 9 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 934715-95:
(8*9)+(7*3)+(6*4)+(5*7)+(4*1)+(3*5)+(2*9)+(1*5)=194
194 % 10 = 4
So 934715-95-4 is a valid CAS Registry Number.

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