Acetonitrile, (2-pyridinylmethoxy)- (9CI) is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.
The CAS Registry Mumber 218921-07-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,1,8,9,2 and 1 respectively; the second part has 2 digits, 0 and 7 respectively. Calculate Digit Verification of CAS Registry Number 218921-07: (8*2)+(7*1)+(6*8)+(5*9)+(4*2)+(3*1)+(2*0)+(1*7)=134 134 % 10 = 4 So 218921-07-4 is a valid CAS Registry Number.
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