75649-13-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 75649-13-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,5,6,4 and 9 respectively; the second part has 2 digits, 1 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 75649-13:
(7*7)+(6*5)+(5*6)+(4*4)+(3*9)+(2*1)+(1*3)=157
157 % 10 = 7
So 75649-13-7 is a valid CAS Registry Number.
75649-13-7Relevant articles and documents
2,4-Disubstituted 5-oxo-5H-hexahydrofuro[3,2b]pyrroles
-
, (2008/06/13)
A compound of formula (I): STR1 wherein: A is >CH-- and n is 1 to 6; or A is >C=CH-- and n is 0 to 5; or A is >CH--CH=CH and n is 0 to 4; and R1 is hydrogen or C1-6 alkyl; R2 is hydrogen or C1-4 alkyl; and Rsub