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[4aS,5Z,7S,7aR]-7-methyl-4,4a,7,7a-tetrahydro-1H-cyclopenta[c]pyran-3-one is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

691882-89-0

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691882-89-0 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 691882-89-0 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 6,9,1,8,8 and 2 respectively; the second part has 2 digits, 8 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 691882-89:
(8*6)+(7*9)+(6*1)+(5*8)+(4*8)+(3*2)+(2*8)+(1*9)=220
220 % 10 = 0
So 691882-89-0 is a valid CAS Registry Number.

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