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4-Amino-6,7-dimethyl-1-((2R,3aS,9aR)-5,5,7,7-tetraisopropyl-tetrahydro-1,4,6,8-tetraoxa-5,7-disila-cyclopentacycloocten-2-yl)-1H-pteridin-2-one is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

199789-64-5

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199789-64-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 199789-64-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,9,9,7,8 and 9 respectively; the second part has 2 digits, 6 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 199789-64:
(8*1)+(7*9)+(6*9)+(5*7)+(4*8)+(3*9)+(2*6)+(1*4)=235
235 % 10 = 5
So 199789-64-5 is a valid CAS Registry Number.

199789-64-5Upstream product

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