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3β-Methylsecodehydroabietinsaeuremethylester is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

75443-46-8

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75443-46-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 75443-46-8 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,5,4,4 and 3 respectively; the second part has 2 digits, 4 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 75443-46:
(7*7)+(6*5)+(5*4)+(4*4)+(3*3)+(2*4)+(1*6)=138
138 % 10 = 8
So 75443-46-8 is a valid CAS Registry Number.

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