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8-Azaspiro[4.5]decane-7,9-dione, 8-[4-[(5-methoxy-3,4-dihydro-2H-1-benzopyran-3-yl)amino]butyl]- is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

138277-77-7

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138277-77-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 138277-77-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,8,2,7 and 7 respectively; the second part has 2 digits, 7 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 138277-77:
(8*1)+(7*3)+(6*8)+(5*2)+(4*7)+(3*7)+(2*7)+(1*7)=157
157 % 10 = 7
So 138277-77-7 is a valid CAS Registry Number.

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