219990-12-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 219990-12-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,1,9,9,9 and 0 respectively; the second part has 2 digits, 1 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 219990-12:
(8*2)+(7*1)+(6*9)+(5*9)+(4*9)+(3*0)+(2*1)+(1*2)=162
162 % 10 = 2
So 219990-12-2 is a valid CAS Registry Number.
219990-12-2Relevant articles and documents
12 MEMBERED-RING MACROLACTAM DERIVATIVES
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, (2009/01/24)
There provided a 12-membered-ring macrolactam derivative having antitumor activity: A compound represented by Formula (1) or a salt thereof. In this Formula, R1 is a hydrogen atom, a C1-6 alkyl group, a C1-6 alkylcarbonyl