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5,11,17,23-tetrakis(1,1-dimethylethyl)-25,26,27,28-tetramethoxy-2,8,14,20-tetrathiapentacyclo[19.3.1.1(3,7).1(9,13).1(15,19)]octacosa-1(25),3,5,7(28),9,11,13(27),15,17,19(26),21,23-dodecaene-2,8,14,20-tetraoxide is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

204190-45-4

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204190-45-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 204190-45-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,0,4,1,9 and 0 respectively; the second part has 2 digits, 4 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 204190-45:
(8*2)+(7*0)+(6*4)+(5*1)+(4*9)+(3*0)+(2*4)+(1*5)=94
94 % 10 = 4
So 204190-45-4 is a valid CAS Registry Number.

204190-45-4Upstream product

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