1581704-43-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1581704-43-9 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,5,8,1,7,0 and 4 respectively; the second part has 2 digits, 4 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 1581704-43:
(9*1)+(8*5)+(7*8)+(6*1)+(5*7)+(4*0)+(3*4)+(2*4)+(1*3)=169
169 % 10 = 9
So 1581704-43-9 is a valid CAS Registry Number.
1581704-43-9Relevant articles and documents
PRODRUGS OF 1,4-BENZODIAZEPINONE COMPOUNDS
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Paragraph 00203, (2014/04/04)
Disclosed are compounds of Formula (I) and salts thereof, wherein: a) R1 is H or CH3, and R2 is Ry; or b) R1 is Rx and R2 is H; wherein Rx and Ry are disclosed herein.