1312599-67-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1312599-67-9 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,3,1,2,5,9 and 9 respectively; the second part has 2 digits, 6 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 1312599-67:
(9*1)+(8*3)+(7*1)+(6*2)+(5*5)+(4*9)+(3*9)+(2*6)+(1*7)=159
159 % 10 = 9
So 1312599-67-9 is a valid CAS Registry Number.
1312599-67-9Relevant academic research and scientific papers
3,4,4A,10B-TETRAHYDRO-1H-THIOPYRANO-[4, 3-c] ISOQUINOLINE DERIVATIVES
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, (2011/07/07)
The compounds of formula (1), in which A, R1, R2, R3 and R5 have the meanings as given in the description, are novel effective inhibitors of type 4 and 5 phosphodiesterase.
