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2,6(3H,7H)-Phenanthrenedione, 4,4a,8,8a,9,10-hexahydro-1,4a,8a-trimethyl-, cis- is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

91191-74-1

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91191-74-1 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 91191-74-1 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,1,1,9 and 1 respectively; the second part has 2 digits, 7 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 91191-74:
(7*9)+(6*1)+(5*1)+(4*9)+(3*1)+(2*7)+(1*4)=131
131 % 10 = 1
So 91191-74-1 is a valid CAS Registry Number.

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