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Methanesulfonic acid 3-(7-methyl-1,4-dithia-spiro[4.5]dec-6-en-8-yl)-propyl ester is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

79839-57-9

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79839-57-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 79839-57-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,9,8,3 and 9 respectively; the second part has 2 digits, 5 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 79839-57:
(7*7)+(6*9)+(5*8)+(4*3)+(3*9)+(2*5)+(1*7)=199
199 % 10 = 9
So 79839-57-9 is a valid CAS Registry Number.

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