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2-Trimethylsilyl-7-hydroxy-1-benzothiophene is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

197803-67-1

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197803-67-1 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 197803-67-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,9,7,8,0 and 3 respectively; the second part has 2 digits, 6 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 197803-67:
(8*1)+(7*9)+(6*7)+(5*8)+(4*0)+(3*3)+(2*6)+(1*7)=181
181 % 10 = 1
So 197803-67-1 is a valid CAS Registry Number.

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