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2-Butenenitrile, 3-[(trimethylsilyl)oxy]-2-[1-[(trimethylsilyl)oxy]ethenyl]- is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

681138-75-0

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681138-75-0 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 681138-75-0 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 6,8,1,1,3 and 8 respectively; the second part has 2 digits, 7 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 681138-75:
(8*6)+(7*8)+(6*1)+(5*1)+(4*3)+(3*8)+(2*7)+(1*5)=170
170 % 10 = 0
So 681138-75-0 is a valid CAS Registry Number.

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