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1,4,4a,5,6,7,8,8a-octahydro-5,5,8a-trimethyl-1α-hydroxy-4aα,8aβ-naphthalene-1,2-dimethanol is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

71557-33-0

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71557-33-0 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 71557-33-0 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,1,5,5 and 7 respectively; the second part has 2 digits, 3 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 71557-33:
(7*7)+(6*1)+(5*5)+(4*5)+(3*7)+(2*3)+(1*3)=130
130 % 10 = 0
So 71557-33-0 is a valid CAS Registry Number.

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