107290-31-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 107290-31-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,0,7,2,9 and 0 respectively; the second part has 2 digits, 3 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 107290-31:
(8*1)+(7*0)+(6*7)+(5*2)+(4*9)+(3*0)+(2*3)+(1*1)=103
103 % 10 = 3
So 107290-31-3 is a valid CAS Registry Number.
107290-31-3Relevant articles and documents
Synthesis of dl-4-Hydroxycrebanine
Kunitumo, Jun-ichi,Miyata, Yohko,Oshikata, Megumi
, p. 5245 - 5249 (2007/10/02)
4-hydroxycrebanine (2), a natural product from Stephania sasakii HAYATA, was synthesized via 1-(6'-bromo-2',3'-dimethoxybenzyl)-4-hydroxy-2-methyl-6,7-methylenedioxy-1,2,3,4-tetrahydroisoquinoline (17), wich was obtained by Bobbitt's modification of the P