2-Benzolsulfonyl-2,3,7,8-tetrahydro-benzo<1,2>cyclohepta<3,4,5-d,e>isochinolin-3-carbonitril is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.
The CAS Registry Mumber 19789-73-2 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,9,7,8 and 9 respectively; the second part has 2 digits, 7 and 3 respectively. Calculate Digit Verification of CAS Registry Number 19789-73: (7*1)+(6*9)+(5*7)+(4*8)+(3*9)+(2*7)+(1*3)=172 172 % 10 = 2 So 19789-73-2 is a valid CAS Registry Number.
19789-73-2Upstream product
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