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S-tert-butyl-N-(4-nitro-benzenesulfenyl)-isothiourea is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

99987-75-4

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99987-75-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 99987-75-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,9,9,8 and 7 respectively; the second part has 2 digits, 7 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 99987-75:
(7*9)+(6*9)+(5*9)+(4*8)+(3*7)+(2*7)+(1*5)=234
234 % 10 = 4
So 99987-75-4 is a valid CAS Registry Number.
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