90735-74-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 90735-74-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,0,7,3 and 5 respectively; the second part has 2 digits, 7 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 90735-74:
(7*9)+(6*0)+(5*7)+(4*3)+(3*5)+(2*7)+(1*4)=143
143 % 10 = 3
So 90735-74-3 is a valid CAS Registry Number.
90735-74-3Relevant articles and documents
Intramolecular Photocycloaddition of 2-Alkenoyloxycyclohex-2-enones
Ikeda, Masazumi,Takahashi, Masami,Uchino, Takamasa,Tamura, Yasumitsu
, p. 538 - 542 (2007/10/02)
Photoirradiation of 2-(3-butenoyloxy)- and 2-(4-pentenoyloxy)cyclohex-2-enones resulted in the formation of 2-oxabicycloheptan-3-one and 2-oxabicyclooctan-3-one derivatives (head to head adducts), respectively. Keywords - intramolecular phot
