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3,3'-bis(triphenylsilyl)-1,1'-bi-2-phenol is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

190438-69-8

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190438-69-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 190438-69-8 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,9,0,4,3 and 8 respectively; the second part has 2 digits, 6 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 190438-69:
(8*1)+(7*9)+(6*0)+(5*4)+(4*3)+(3*8)+(2*6)+(1*9)=148
148 % 10 = 8
So 190438-69-8 is a valid CAS Registry Number.

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